Encyclopedia Astronautica
1975.07.20 - ASTP - Separate Apollo/Soyuz activities


Apollo and Soyuz, now flying in separate orbits, conduct independent experiments prior to their return to earth.

Houston control tried for a second morning to wake the crew with "Tenderness" in Russian. This time they succeeded, and the men began their sixth day at 1:54 a.m. In addition to a day-long earth observation, which they started before breakfast, they concentrated on experiments during their first independent day in orbit. Included in the flight plan were experiments in the multipurpose furnace (MA-010), extreme ultraviolet surveying (MA-083), crystal growth (MA-085), and helium glow (MA-088). In the midst of their work during an ATS 6 communication session, CapCom Crippen gave them a news report.

Crippen included a special item in his report. "Six years ago today at 3:17:40 central daylight time we landed on the Moon. At 9:56, that's when Neil said his famous words about 'small step for man, giant leap for mankind.' " Stafford responded, "Roger. Remember it well."

Slayton: Say, what day of the week is this, incidentally?

Crippen: This happens to be Sunday.

Brand: [garbled] . . . our day off.

Crippen: Oh, yeah. We'll get them off after you guys get back. Y'all . . are certainly not getting a day off today.

Brand: We're not complaining.

While there was still much to do, the pressure of the first days of the mission was gone, and the crew was settling down to the routine. The sixth day of the ASTP flight was noticeably void of the drama that had been associated with the joint activity.

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