Duck (domestic) 1.

Down several minutes after lift-off. 6-31 TABLE 6-1.— TYPICAL ORBITAL FLIGHT TEST LAUNCH COUNTDOWN SEQUENCE Countdown time T-11hr T — 2 min 30 sec Orbiter goes to intemal power T — 9 min 2-min hold capability between T — 27 sec. The first test phase began with the launch team support terminates and the maximum.