tbc? >> [inaudible] >> okay, very good. thanks. >> mission sts-134 is the 25th and final flight for endeavor and the second to last flight for the space shuttle program. here, now, is a look back at this vehicle's impressive flight accomplishments. >> okay, the pass and -- ♪ finish. >> space shuttle endeavour, born out of the loss of the space shuttle challenger in 1986, represented a commitment to continuing america's human space flight program. the nation's decision to build endeavor set the stage for dramatic missions to come. the last of five orbiters to be built for space flight, endeavor was named in a national competition by elementary and secondary school students after the 18th century sailing vessel commanded by captain james cook. construction of endeavor began with its contract award on july 31, 1937, to replace -- 1987, to he re place challenger which was lost on january 28, 1986. endeavor was outfitted with many safety improvements, including a drag chute and nose wheel steering to improve wear on the tires du