Look it up on goolge they have the anwer
1) Mercury; 2) Skylab; 3) Gemini; 4) Space Shuttle; 5) Apollo . The United States Agency that deals with space exploration and its programs is th NASA or National Aeronautics and Space Administration, with many successful missions, including puting the first man on the Moon (program Apollo).
The posting would not be in violation of the clause because there is a learning purpose to the items.