Category
page 1Human missions to Venus
colonization of Venus
proposed colonization of the planet
TMK
thumb|375px|Artist's depiction of TMK-MAVR on a Venus flyby
TMK () was the designation of a Soviet space exploration project to send a crewed flight to Mars and Venus (TMK-MAVR design) without landing.
High Altitude Venus Operational Concept
NASA crewed Venus mission concept
Apollo Applications Program
American human spaceflight program
Manned Venus flyby
proposed crewed Venus flyby