Splashdown

Apollo 15 makes contact with the Pacific Ocean.
Locations of Atlantic Ocean splashdowns of American spacecraft prior to the 21st century
Locations of Pacific Ocean splashdowns of American spacecraft

Splashdown is the method of landing a spacecraft by parachute in a body of water. It was used by crewed American space capsules prior to the Space Shuttle program, by the SpaceX Dragon 1 and Dragon 2 capsules and by NASA's Orion Multipurpose Crew Vehicle. It is also possible for the Russian Soyuz spacecraft to land in water, though this is only a contingency. The only example of an unintentional crewed splashdown in Soviet history is the Soyuz 23 landing.

As the name suggests, the capsule parachutes into an ocean or other large body of water. The properties of water cushion the spacecraft enough that there is no need for a braking rocket to slow the final descent as is the case with Russian and Chinese crewed space capsules (while Shenzhou designed a raft and balanced capsule in case of splashdown), which return to Earth over land. The American practice came in part because American launch sites are on the coastline and launch primarily over water.[1] Russian launch sites are far inland and most early launch aborts were likely to descend on land.[citation needed]

  1. ^ "NASA article about American launch sites". NASA. May 14, 2009. Retrieved August 7, 2020.

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