A space capsule is an often manned spacecraft which has a simple shape for the main section, without any wings or other features to create lift during atmospheric reentry. Capsules have been used in most of the manned space programs to date, including the world's first Vostok and Mercury manned spacecrafts, as well as in later Soviet Voskhod, Soyuz, Zond/L1, L3, TKS, US Gemini, Apollo, Chinese Shenzhou and currently developing US, Russia, India manned spacecrafts. A capsule is the specified form for the Crew Exploration Vehicle.