WAlmaz
WApollo program
WArtemis program
WAurora programme
WCommercial Crew Program
WDevelopment of the Commercial Crew Program
WNASA Astronaut Corps
WNASA space-flown Gemini and Apollo medallions
WPD AeroSpace
WProject Gemini
WProject Juno
WShuttle–Mir program
WSoyuz programme
WSpace Shuttle program
WSwiss Space Systems
WVirgin Galactic
WVoskhod programme
WVostok programme