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Forum:Commercial Space - Military Space
Topic:Northrop Grumman Cygnus NG-12 CRS flight
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Robert Pearlman
SS Alan Bean arrives at space station

Expedition 61 flight engineers Jessica Meir and Christina Koch on Monday (Nov. 4) used the International Space Station's Canadarm2 robotic arm to grapple Northrop Grumman's NG-12 Cygnus, the S.S. Alan Bean, as Andrew Morgan monitored the spacecraft's systems during its approach.

The space station was flying over Madagascar when the Cygnus was captured at 4:10 a.m. EST (0910 GMT).

The cargo vehicle was then berthed the Earth-facing port of the Unity module at 6:21 a.m. EST (1110 GMT).

Robert Pearlman
SS Alan Bean departs space station

Northrop Grumman's NG-12 Cygnus spacecraft, the "S.S. Alan Bean," departed the International Space Station on Friday (Jan. 31) at 9:36 a.m. EST (1436 GMT), three months after arriving at the orbiting lab to deliver 8,200 pounds of supplies and scientific experiments to the orbiting laboratory.

The Cygnus separation demonstrated a new release position for departure operations and incorporated the first ground-controlled release. The new orientation allows for easier drift away from the station's Canadarm2 robotic arm.

With Expedition 61 flight engineers Drew Morgan and Jessica Meir providing backup support, ground controllers sent commands to the Canadarm2 to release the cargo spacecraft after they remotely unbolted the Cygnus from the Earth-facing port of the Unity module and maneuvered it into release position.

Within 24 hours of its release, the Cygnus will begin its secondary mission – deploying a series of nanosatellites – before Northrop Grumman flight controllers in Dulles, Virginia, initiate its deorbit and it executes a destructive reentry into Earth's atmosphere on Feb. 29.

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