The Americans were in the USSR to participate in Apollo Soyuz Test Project (ASTP) familiarization training on the Soyuz systems at the Cosmonaut Training Center (Star City) near Moscow.

File photo of an F-22 and an F-35 over the Utah Test and Training Range. (U.S. Air Force photo) This project will make it easier for the military to gather the best contributions from government ...

The Apollo-Soyuz Test Project was the first spaceflight to include two participating nations working together with their own national spacecraft. The Americans sent up an Apollo command module ...