Space Shuttle OV-101 in boilerplate configuration Boilerplate (spaceflight)
enterprise on launch pad 39a first in march 1978 @ marshall space flight center , again in june 1979, space shuttle enterprise fitted external tank , 2 inert solid rocket motors in test-bed or boilerplate configuration. sts-1 preliminary mission test program consisted of vibration tests in horizontal mode @ marshall center, , in vertical launch configuration on launch pad 39a @ kennedy space center, florida. in 1985, boilerplate configuration used test air force shuttle facilities @ vandenberg air force base, including full mating on slc-6 launch pad.