STS-51-D

STS-51-D was the 16th flight of NASA's Space Shuttle program, and the fourth flight of Space Shuttle Discovery. The launch of STS-51-D from Kennedy Space Center (KSC), Florida, on April 12, 1985, was delayed by 55 minutes, after a boat strayed into the restricted Solid Rocket Booster (SRB) recovery zone. STS-51-D was the third shuttle mission to be extended.

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51D-16-023 - STS-51D - Spaceborne experiment - DPLA - 9cdab87ef542f6069fb5d2032cbc9c4d

STS-51-D preflight breakfast on launch day

STS-51-D shuttle

The space shuttle Discovery launches from NASA’s Kennedy Space Center in Florida, heading through Atlantic skies toward its 51-D mission. The seven-member crew lifted off at 8:59 a.m. ET, April 12, 1985.

Type	Subtype	Date	Description	Notes	Source
incident	incident		[[1]]		Wikidata
commons	image		51D-16-023 - STS-51D - Spaceborne experiment - DPLA - 9cdab87ef542f6069fb5d2032cbc9c4d		Commons
commons	image		STS-51-D preflight breakfast on launch day		Commons
commons	image		STS-51-D shuttle		Commons
commons	image		The space shuttle Discovery launches from NASA’s Kennedy Space Center in Florida, heading through Atlantic skies toward its 51-D mission. The seven-member crew lifted off at 8:59 a.m. ET, April 12, 1985.		Commons