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  Space Cover 234: The Skylab is falling

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Author Topic:   Space Cover 234: The Skylab is falling
NAAmodel#240
Member

Posts: 145
From: Charleston, SC USA
Registered: Jun 2005

posted 10-07-2013 05:50 PM     Click Here to See the Profile for NAAmodel#240   Click Here to Email NAAmodel#240     Edit/Delete Message   Reply w/Quote
Space Cover of the Week, Week  234 (Oct 6, 2013)

Space Cover #234: The Skylab is falling 

At the beginning of the Space Age the United States had trouble orbiting an object the size of a grapefruit. By the time the lunar missions were over America was able to lob an 85 ton space station into orbit with ease. The return of a grapefruit sized satellite poses no risk to people or property as it burns up in the steadily thickening atmosphere. When a 170,000 pound orbiting laboratory comes home, however, it makes quite a splash. Battelle Memorial Institute forecast that up to 25 tons of metal debris could land in 500 pieces over an area 4,000 miles long and 1,000 miles wide. The lead-lined film vault, for example, might land intact at 400 feet per second. The chance of debris hitting a city of more than 100,000 was calculated at 1 in 7.

During the Skylab program the Air Force provided support through the Eastern Test Range headquarters at Patrick AFB. This cover, postmarked on the launch of Skylab III, sports a cachet for the Advanced Range Instrumentation Aircraft (ARIA). This heavily modified KC-135 with a nose only Jimmy Durante’s mother could love, provided tracking over a 32 year career.

Present for all launches from the Cape the Air Force launched a Combat Search and Rescue (CSAR) equipped with pararescuemen in the event of an early abort or accident. Jolly 87 (a heavy duty PAVE LOW helicopter) was on station for the launch of Skylab IV.

DOX32
Member

Posts: 211
From: Lakewood Ranch FL USA
Registered: Jul 2004

posted 10-08-2013 11:06 AM     Click Here to See the Profile for DOX32   Click Here to Email DOX32     Edit/Delete Message   Reply w/Quote
David, thank you for this info. Am looking for Skylab cachets as you show here.

Bob M
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Posts: 1385
From: Atlanta-area, GA USA
Registered: Aug 2000

posted 10-26-2013 02:05 PM     Click Here to See the Profile for Bob M   Click Here to Email Bob M     Edit/Delete Message   Reply w/Quote
Here are two more covers that mark the final day in orbit of the Skylab Orbital Workshop. After 2,249 days in orbit and a total of 34,981 orbits, on July 11, 1979, the huge space station fell out of orbit and its debris was scattered in the Indian Ocean near Perth, Australia.

The top cover has a Skylab Program emblem cachet, with a pair of Skylab commemorative stamps that are canceled at Cape Canaveral, FL on the Skylab Orbital Workshop's final day in orbit. The bottom cover was located in the Skylab Reentry Data Center inside the NORAD Cheyenne Mountain Space Defense Center during the space station's final day in space.

Apollo-Soyuz
Member

Posts: 892
From: Shady Side, Md
Registered: Sep 2004

posted 10-26-2013 07:21 PM     Click Here to See the Profile for Apollo-Soyuz   Click Here to Email Apollo-Soyuz     Edit/Delete Message   Reply w/Quote
Here are a couple of covers for Skylab reentry.

Antoni RIGO
Member

Posts: 12
From: Palma de Mallorca, Is. Baleares - SPAIN
Registered: Aug 2013

posted 10-28-2013 04:27 PM     Click Here to See the Profile for Antoni RIGO   Click Here to Email Antoni RIGO     Edit/Delete Message   Reply w/Quote
Two covers more concerning Skylab falls down:

This map cover is especially interesting because shows Australia.

This second cover bears a Madrid postmark, where NASA tracking station confirmed that Skylab was disintegrating in several fragments, crossing diagonally Africa in direction towards Australia.

All times are CT (US)

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