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  Sierra Nevada's Dream Chaser Cargo System

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Author Topic:   Sierra Nevada's Dream Chaser Cargo System
Robert Pearlman
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posted 03-17-2015 03:25 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Sierra Nevada Corporation (SNC) release
Sierra Nevada Corporation Unveils New Dream Chaser Cargo System

Sierra Nevada Corporation (SNC) unveiled a new Dream Chaser mission variant today, the Dream Chaser Cargo System, SNC's complete system solution for NASA's Commercial Resupply Services 2 (CRS2) contract.

The Dream Chaser Cargo System features include: an innovative folding-wing design which allows the Dream Chaser spacecraft to fit inside existing fairings, making it compatible with a suite of launch vehicles; the ability to exceed all of NASA's cargo requirements for pressurized and unpressurized cargo during flights to the International Space Station (ISS); high reusability, allowing it to serve the required number of missions for the full life expectancy of the ISS; non-toxic, non-hypergolic propulsion system and other fluids; low-g entry to a runway landing with immediate access to cargo.

"SNC is proud to offer NASA a complete system that exceeds all criteria set forth by NASA in the proposal," said Mark N. Sirangelo, corporate vice president and head of SNC's Space Systems. "The autonomous and upgraded Dream Chaser Cargo System is a mission variant of the Dream Chaser Space System, whose heritage includes over 10 years of development and maturation, the last five of which were complete as part of an ongoing public-private partnership between SNC and NASA."

"Our Dream Chaser Cargo System provides unrivaled capability for pressurized and unpressurized cargo transportation, including accelerated return of cargo and critical science on every mission. It also enables a wide portfolio of other space exploration capabilities, including servicing/construction for future space stations, satellite servicing and deployment, as well as retrieval and orbital debris removal."

"SNC continues to grow its U.S. team which has expanded to 30 states. We are also expanding our international partnerships, and have agreements in place with many of the current ISS partners and global space agencies. Our SNC team looks forward to becoming a cargo transportation provider for NASA missions."

Robert Pearlman
Editor

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From: Houston, TX
Registered: Nov 1999

posted 01-14-2016 11:16 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Sierra Nevada Corp. release
NASA Selects Sierra Nevada Corporation's Dream Chaser Spacecraft for Commercial Resupply Services 2 Contract

Today, NASA competitively selected Sierra Nevada Corporation's (SNC) Space Systems to receive a multi-year contract to provide cargo delivery, return and disposal services for the International Space Station (ISS). SNC received a Commercial Resupply Services 2 (CRS2) contract, to fulfill a minimum of six cargo delivery service missions to and from the ISS utilizing SNC's Dream Chaser Cargo System. NASA's selection of SNC for the CRS2 program will enable spacecraft reusability and runway landings for United States' cargo delivery and access to the ISS through 2024.

"SNC is honored to be selected by NASA for this critical U.S. program," said Eren Ozmen, president of Sierra Nevada Corporation. "In such a major competition, we are truly humbled by the show of confidence in SNC and look forward to successfully demonstrating the extensive capabilities of the Dream Chaser spacecraft to the world. SNC's receipt of this award is an American Dream come true for all of us. We thank NASA, the Administration and Congress for recognizing the importance of this vital program by supporting the CRS2 contract."

SNC is the owner and prime operator of the reusable Dream Chaser spacecraft, which has been in development for over 10 years, including six years as part of NASA's Commercial Crew Program and leverages over 40 years of NASA development and space shuttle heritage.

"The Dream Chaser Cargo System offers NASA a safe, reliable and affordable solution for ISS cargo delivery, return and disposal, ensuring the effective utilization and sustainability of the ISS for years to come," said Mark N. Sirangelo, corporate vice president of SNC's Space Systems. "Within a few short years, the world will once again see a United States winged vehicle launch and return from space to a runway landing. We wanted to thank our more than 30 industry, university and NASA center partners for helping us make history and open up the next generation of spaceflight."

SNC's Dream Chaser Cargo System features include:

  • An innovative folding-wing design which allows the Dream Chaser spacecraft to fit inside existing launch vehicle fairings, making it compatible with a diverse suite of rockets and assuring access to space
  • The ability to simultaneously deliver 5,500 kg of pressurized and unpressurized cargo to the ISS, which exceeds NASA's CRS2 RFP requirements
  • High reusability that reduces costs and enables quick reflight. Responsive pressurized cargo return capability – ensuring scientific experiments are promptly returned to the researchers as intended and without contamination
  • Low-g reentry and gentle runway landing – critical for the return of sensitive payloads, scientific experiments and immediate access to cargo
  • All non-toxic propellants and consumables, making the Dream Chaser spacecraft the first vehicle in history to achieve this level of environmental responsibility

The Dream Chaser program will continue to be based in Louisville, Colorado. SNC expects to significantly expand operations in Colorado and throughout the United States, in conjunction with its international partners, to support contract requirements. The growing employment scope and economic impact of SNC and its partner organizations – the Dream Team – now spans over 25 states and 15 countries and will continue to grow under the CRS2 contract.

Robert Pearlman
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posted 01-14-2016 11:18 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Sierra Nevada Corp. images

Robert Pearlman
Editor

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posted 07-11-2016 12:31 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Sierra Nevada Corporation release
Sierra Nevada Corporation Completes First Dream Chaser Cargo Service Milestone under NASA CRS2 Contract

Sierra Nevada Corporation (SNC) is pleased to announce the successful completion of ISS Integration Certification Milestone 1 for the Dream Chaser Cargo System under NASA's Commercial Resupply Services 2 (CRS2) contract.

Under this milestone, NASA approved SNC's complete program implementation plan for the design, development, test and evaluation of the Dream Chaser Cargo System. This includes plans and processes for meeting technical performance and CRS2 integration schedules associated with execution of docking and berthing missions to the International Space Station (ISS). Details included supplier plans, integration schedules, organizational structure and status of program risks and risk mitigations.

Under the CRS2 contract, Dream Chaser will provide a minimum of six cargo delivery services to and from the ISS between 2019 and 2024.

More Than a Milestone

"The accelerated completion of the first milestone under the CRS2 contract award marks significant progress for SNC and the Dream Chaser program", said Mark N. Sirangelo, corporate vice president of SNC's Space Systems business area. "We are thankful for the support we've received from NASA. The prompt completion of this essential program milestone is a big step in bringing us closer to returning a winged, runway-landing vehicle to space. This momentum will carry us with confidence in developing a reliable and affordable solution for ISS cargo delivery, return and disposal."

In addition to SNC internal program integration, the milestone review covers the strategic plan for the involvement of external entities including international agreements and plans for obtaining necessary licenses from U.S. agencies, including the Federal Communications Commission and Federal Aviation Administration.

Flight Testing Continues

In parallel with the continued execution of CRS2 milestones, SNC plans to resume the next phase of flight testing for Dream Chaser later this year.

This vehicle was originally developed and tested in partnership with NASA's Commercial Crew Program through Space Act Agreements (SAA). It was previously flown at NASA's Armstrong Flight Research Center and is being prepared for its second flight test through the SAA. It has been significantly upgraded in multiple areas to allow for testing to advance and verify critical systems which will also be used in the next generation vehicle currently under development for the forthcoming NASA ISS cargo resupply missions.

Robert Pearlman
Editor

Posts: 40220
From: Houston, TX
Registered: Nov 1999

posted 07-25-2016 12:08 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Sierra Nevada Corporation (SNC) release
Sierra Nevada Corporation Passes Second Milestone – Dream Chaser Spacecraft on Track to Supply Cargo to ISS

Sierra Nevada Corporation (SNC) has passed the second Integration Certification Milestone under NASA's Commercial Resupply Services 2 (CRS-2) contract. NASA assessed and fully approved SNC's detailed approach for getting the Dream Chaser Cargo System to the International Space Station (ISS).

SNC's approved strategy demonstrates a thorough understanding of design requirements and available resources on both a system and subsystem level. Dream Chaser will provide a minimum of six cargo delivery missions to and from the ISS between 2019 and 2024. The first milestone was passed several weeks ago and outlined technical, logistic and schedule procedures for the program.

"Successful completion of the second Integration Certification Milestone within six weeks of the first major milestone demonstrates that the Dream Chaser team is moving at full-speed to meet NASA's cargo delivery needs," said Steve Lindsey, senior director of programs for SNC's Space Systems business area and Dream Chaser co-program manager. "We very much appreciate NASA's help and support through this milestone and those to follow. Our collective SNC/NASA team is confident in our design and strategy for the future and look forward to completing the work necessary to bring our unique cargo services solution to the ISS as rapidly as possible."

Milestone 2 Key Components

Completion of Milestone 2 means NASA and SNC collectively agree on the certification criteria used to confirm Dream Chaser designs meet CRS-2 mission requirements. These qualification and verification plans will be utilized during future integrated design and test milestones to validate Dream Chaser Cargo System capabilities.

Dream Chaser Flight Tests Will Support CRS2 Progress

The current flight vehicle has been upgraded with several cargo system design components to support multiple test objectives — verifying the spacecraft's performance during final approach and landing, directly supporting the CRS-2 Certification Plan approved during Milestone 2. This will ultimately accelerate development of the first orbital mission and increase confidence through flight-tested systems.

The vehicle was originally developed and tested in partnership with NASA's Commercial Crew Program, which included a full-test campaign at NASA's Armstrong Flight Research Center leading up to the October 2013 approach and landing test.

Robert Pearlman
Editor

Posts: 40220
From: Houston, TX
Registered: Nov 1999

posted 05-25-2017 02:09 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Sierra Nevada Corporation release
Dream Chaser Spacecraft Passes Major Milestone

Completes Successful Integration Review for Space Station Resupply Mission

Sierra Nevada Corporation (SNC) successfully passed the third integration milestone for the Dream Chaser program under the NASA Commercial Resupply Services (CRS2) program, bringing it a major step closer to providing resupply services to the International Space Station (ISS).

CRS2 Integration Review #3 (IR3) confirmed SNC's Dream Chaser Cargo System design meets NASA's key requirements and maximizes probability of mission success during future flights. The spacecraft is scheduled for at least six missions between 2019 and 2024. The reliability of the Dream Chaser design was also thoroughly reviewed as part of NASA's Phase I Safety Review Process, which successfully demonstrated safety and mission assurance criteria. The reviews covered all stages of mission operations including ground, launch, flight and landing.

"Passing the third CRS2 integration milestone is a really big deal for the program and its future," said Steve Lindsey, vice president of Space Exploration Systems for SNC's Space Systems business area. "We are proud of this accomplishment and are well on our way towards completing the next critical milestone and the remaining developmental phases. It's a great feeling to be executing all our milestones on schedule and to be moving forward to our operational flight."

The spacecraft's unique cargo design transports more cargo mass (5,500 kilograms) to the ISS each mission. In addition, a significant amount of cargo, almost 2,000 kilograms is directly returned from the ISS to a gentle runway landing at a pinpoint location. Dream Chaser's all non-toxic systems design allows personnel to simply walk up to the vehicle after landing, providing immediate access to time-critical science as soon as the wheels stop. .

The complex and thorough review process found no significant design, build or system issues and underscored the Dream Chaser's readiness for flight.

The major elements of Milestone 3 included:

  • Successful completion of the NASA Phase 1 Safety Review
  • 32 Hazard Reports and 16 Safety Data Packages approved by NASA
  • Dream Chaser Architectural Design's met all CRS2 requirements (hardware, software, flight dynamics, thermal control, etc.)
  • More than 100 detailed design documents were delivered to NASA along with 30+ design reviews
  • During the three-day IR3 review, more than 1,000 charts were briefed to the approximate 45 member NASA and Federal Aviation Administration (FAA) team, which demonstrated that
  • Dream Chaser is at Preliminary Design Review level of maturity
  • Launch vehicle operations, outside subcontracts and agreements
  • Range safety plan, as well as FAA, Federal Communications Commission (FCC) and National
  • Telecommunications and Information Administration (NTIA) licensing
  • 5 Safety Review Phase 1 meetings were conducted prior to the IR3 review and involved the delivery of 46 individual Safety Data Packages developed under our S&MA team.
In addition to completing this milestone, the Dream Chaser atmospheric test vehicle is in preparations for flight testing that will help verify these designs. The spacecraft is currently testing at NASA's Armstrong Flight Research Center in California, having just successfully completed Phase One ground testing leading up to its second free flight test later this year.

Robert Pearlman
Editor

Posts: 40220
From: Houston, TX
Registered: Nov 1999

posted 07-19-2017 05:25 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Paragon Space Development Corporation release
Paragon Space Development Corporation Named by Sierra Nevada Corporation Supplier for Dream Chaser Spacecraft Cargo System

Paragon was recently selected by Sierra Nevada Corporation (SNC) to provide flight hardware for its Dream Chaser spacecraft. In 2016, NASA selected SNC's Dream Chaser to transport pressurized and unpressurized cargo to and from the International Space Station (ISS) with return and disposal services.

Paragon will provide the Thermal Control Radiators for the vehicle's cargo module. The solution will leverage Paragon's patented Extruded Radiator (xRAD) technology, a state-of-the-art, cost-effective radiator solution which eliminates the structural and thermal inefficiencies associated with bonded radiators structures. The xRAD technology also increases vehicle integration flexibility and reduces development time, manufacturing risks, and manufacturing costs.

Delivery of flight radiators is to commence in early 2019 with deliveries through 2022. As a part of the disposable cargo module, the radiators will burn up during reentry at the end of each mission.

"Paragon's offering was a result of years of Paragon's directed internal R&D funding that brought the technique and practical application out of the laboratory and onto the factory floor to benefit our customers that are needing better-value radiator solutions," said Grant Anderson, President & CEO of Paragon. "This multi-unit and multi-mission order will be just the beginning of a decades-long relationship to provide high quality and competitively priced radiator hardware to Sierra Nevada Corporation's Dream Chaser family of vehicles."

Earlier this year, SNC successfully passed the third integration milestone for the Dream Chaser under the NASA Commercial Resupply Services (CRS2) program, confirming that the company's Dream Chaser vehicle can meet NASA requirements for transporting cargo to and from the space station. The reliability of the Dream Chaser design was also thoroughly reviewed as part of NASA's Phase I Safety Review Process, which successfully demonstrated safety and mission assurance criteria. The reviews covered all stages of mission operations including ground, launch, flight, and landing.

"SNC is pleased to be working with Paragon on the Dream Chaser program," said Mark Sirangelo, corporate vice president of SNC's Space Systems business area. "Their radiator technology is a key component in SNC's ability to deliver a safe, affordable, flexible and reliable system."

Robert Pearlman
Editor

Posts: 40220
From: Houston, TX
Registered: Nov 1999

posted 07-19-2017 05:19 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
United Launch Alliance release
United Launch Alliance Signs Contract with Sierra Nevada Corporation to Launch Dream Chaser spacecraft to deliver Cargo to International Space Station

Sierra Nevada Corporation (SNC) announced that it selected United Launch Alliance's (ULA's) commercially developed Atlas V rocket to launch the first two missions of its Dream Chaser cargo system in support of NASA's Cargo Resupply Services 2 (CRS2) contract.

"ULA is pleased to partner with Sierra Nevada Corporation to launch its Dream Chaser cargo system to the International Space Station in less than three years," said Gary Wentz, ULA vice president of Human and Commercial Systems. "We recognize the importance of on time and reliable transportation of crew and cargo to Station and are honored the Atlas V was selected to continue to launch cargo resupply missions for NASA."

The two awarded Atlas V missions will carry pressurized and unpressurized cargo to the International Space Station (ISS). The first mission is set to lift off in 2020 from Space Launch Complex 41 at Cape Canaveral Air Force Station, in Florida. The second contracted mission is scheduled to lift off in 2021. Dream Chaser will launch atop an Atlas V 552, with a dual engine Centaur upper stage.

"SNC recognizes the proven reliability of the Atlas V rocket and its availability and schedule performance makes it the right choice for the first two flights of the Dream Chaser," said Mark Sirangelo, corporate vice president of SNC's Space Systems business area. "ULA is an important player in the market and we appreciate their history and continued contributions to space flights and are pleased to support the aerospace community in Colorado and Alabama," added Sirangelo.

The Atlas V has received NASA's highest and most rigorous Category 3 Certification, which allows the Atlas V family of launch vehicles to fly NASA's most complex and critical missions.

The Dream Chaser spacecraft has been in development for more than 10 years, including six years as part of NASA's Commercial Crew Program and leverages more than 40 years of NASA spaceflight and space shuttle heritage. In 2016, Dream Chaser was selected by NASA under the CRS2 contract to transport pressurized and unpressurized cargo to and from the ISS with return and disposal services.

Robert Pearlman
Editor

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posted 01-02-2018 05:04 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Triumph Group release
Triumph Expands Space Applications with Contract for Dream Chaser Spacecraft Landing Gear System

Triumph Group, Inc. announced today that its Integrated Systems business unit will provide the landing gear system for the Dream Chaser spacecraft, a reusable, lifting-body vehicle in support of NASA's Commercial Resupply Services 2 (CRS2) program that will resupply the International Space Station. The contract for work was signed with Sierra Nevada Corporation (SNC), and includes the main and nose landing gear as well as integrated actuation solutions for the landing gear and gear door systems manufactured at Triumph's Redmond, Washington site.

"The landing gear system used on the Dream Chaser spacecraft showcases our ability to design and integrate reliable systems for use on advanced aerospace applications that can withstand extreme conditions like those found in space," said Tom Holzthum, executive vice president, Triumph Integrated Systems. "We are proud to once again have our products support missions that serve the International Space Station."

Triumph Integrated Systems previously partnered with SNC to provide consulting services for the Commercial Crew Integrated Capability (CCiCap) program with NASA, also in support of the space station. In addition, the company also provides high precision miniature motors to support robotic satellite demonstration missions.

"Space applications exemplify the breadth of our technical capability," said Holzthum. "Our components and systems can perform under the demanding conditions needed to support space exploration programs."

Triumph Group, Inc., headquartered in Berwyn, Pennsylvania, designs, engineers, manufactures, repairs and overhauls a broad portfolio of aircraft structures, components, accessories, subassemblies and systems. The company serves a broad, worldwide spectrum of the aviation industry, including original equipment manufacturers of commercial, regional, business and military aircraft and aircraft components, as well as commercial and regional airlines and air cargo carriers.

Robert Pearlman
Editor

Posts: 40220
From: Houston, TX
Registered: Nov 1999

posted 01-05-2018 11:35 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Sierra Nevada Corporation release
Sierra Nevada Corporation's Dream Chaser Spacecraft Passes Major NASA Milestone after Free-Flight Test

Sierra Nevada Corporation's (SNC) Dream Chaser program passed a major NASA milestone for its Commercial Crew Integrated Capability (CCiCAP) contract with the completion of a successful Free-Flight test, which produced subsonic flight and landing performance data.

Milestone 4B validated the spacecraft's design for a safe and reliable return of cargo services to Earth through a gentle runway landing, signaling the program is one step closer to orbital operations.

Above: The Dream Chaser lands after a successful Free-Flight test on Nov. 11, 2017.

The Dream Chaser will go to the space station for at least six cargo resupply missions starting in 2020 under a separate contract, NASA's Commercial Resupply Services 2 (CRS2).

The NASA Commercial Crew Program reviewed the data, confirming it fully met or exceeded all requirements and authorized full payment of the milestone. Additionally, SNC collected a significant amount of additional information that will be used for the final vehicle design.

"The test was a huge success and when we looked at the data we were thrilled to see how closely our flight performance projections matched the actual flight data," said Steve Lindsey, vice president of SNC's Space Exploration Systems business unit. "This gives us high confidence in our atmospheric flight performance as we move towards orbital operations."

The approach and landing test included intentional maneuvers both to assess the responsiveness of the Dream Chaser to control inputs and to measure the resulting stability of the vehicle under very dynamic, stressful conditions. This showcased the aerodynamic capability of the Dream Chaser as well as performance of the integrated computer system that autonomously returned the vehicle to a safe runway landing. These are critical components for orbital missions to and from the International Space Station.

Mark Sirangelo, executive vice president for SNC's Space Systems business area, commented, "Achievements of this magnitude require the involvement and collaboration of many people. The Free-Flight test took place at the same historic location where the sound barrier was broken 70 years ago and where the Space Shuttle program began 40 years ago. With that historic legacy, I would like to extend our sincere appreciation to our whole flight team."

"I want to especially thank NASA's Armstrong Flight Research Center Director, David McBride, the entire Armstrong team, the U.S. Air Force, NASA's Commercial Crew and CRS2 programs, and our industry partners, including Draper Laboratories, who helped design our flight software. Most importantly, I want to say how proud I am of the SNC Dream Chaser flight and program teams who have performed above and beyond to make the flight and milestone a success," Sirangelo added.

The Free-Flight test of the Dream Chaser was performed at Edwards Air Force Base, California on November 11. The vehicle's next milestone will be the CRS2 Dream Chaser Critical Design Review, scheduled for 2018.

Robert Pearlman
Editor

Posts: 40220
From: Houston, TX
Registered: Nov 1999

posted 02-07-2018 02:41 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Sierra Nevada Corporation (SNC) release
Sierra Nevada Corporation Receives Official NASA Launch Window for Dream Chaser Spacecraft

First Launch to International Space Station Slated for Late 2020

Sierra Nevada Corporation (SNC) received NASA's Authority to Proceed for the Dream Chaser spacecraft's first mission, with a launch window for late 2020. The mission will provide cargo resupply to the International Space Station under the Commercial Resupply Services Contract 2 (CRS2).

"SNC has been successfully completing critical design milestones as approved by NASA, and having a timetable for the first launch is another important step achieved for us," said Fatih Ozmen, owner and CEO of SNC. "The team has worked so hard to get to this point and we can't wait to fulfill this mission for NASA."

Key Mission Capabilities:

  • Delivers up to 5,500 kg (12,125 lb) of pressurized and unpressurized supplies and scientific research payloads

  • Remains attached to the space station for extended periods so crew can transfer cargo and perform science laboratory operations

  • Flying laboratory that allows scientists to send commands, receive data in real-time

  • Powered payload science experiments can operate continuously during the mission

  • Critical science is conducted from the pressurized cabin (crew-tended or autonomous)

  • Unpressurized cargo/experiments are transferred to or from the space station via robotic operations

  • Returns up to 2000kg of cargo via pinpoint landing at NASA Kennedy Space Center (KSC) Shuttle Landing Facility (SLF) for immediate post-landing handover to customer, maximizing the integrity of data collected on-orbit
"The Dream Chaser is going to be a tremendous help to the critical science and research happening on the space station," said Mark Sirangelo, executive vice president of SNC's Space Systems business area. "Receiving NASA's Authority to Proceed is a big step for the program. We can't wait to see the vehicle return to Kennedy Space Center to a runway landing, allowing immediate access to the science payloads being returned from the station."
See here for discussion of SNC's Dream Chaser Cargo System.

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