Editing Rocket engine (section)

===Space Shuttle (1981–2011)===
The [[Space Shuttle Solid Rocket Booster]], used in pairs, caused [[Space Shuttle Challenger disaster|one notable catastrophic failure]] in 270 engine-flights.

The [[RS-25]], used in a cluster of three, flew in 46 refurbished engine units. These made a total of 405 engine-flights with no catastrophic in-flight failures. A single in-flight [[RS-25]] engine failure occurred during {{OV|99}}'s [[STS-51-F]] mission.<ref name="P&WFS">{{cite web|url=http://www.pw.utc.com/products/pwr/assets/pwr_SSME.pdf |title=Space Shuttle Main Engine |publisher=Pratt & Whitney Rocketdyne |access-date=November 23, 2011 |year=2005 |url-status=dead |archive-url=https://web.archive.org/web/20120208191620/http://www.pw.utc.com/products/pwr/assets/pwr_SSME.pdf |archive-date=February 8, 2012 }}</ref> This failure had no effect on mission objectives or duration.<ref name="Hale">{{cite web|author=[[Wayne Hale]] & various|title=An SSME-related request|publisher=NASASpaceflight.com|access-date=January 17, 2012|date=January 17, 2012|url=http://forum.nasaspaceflight.com/index.php?topic=27783}}</ref>