1 00:00:00,820 --> 00:00:08,170 \h GEORGE DILLER: T-10, nine, eight, seven, six, five, four, main engines 2 00:00:08,170 --> 00:00:15,650 \h start, two, one, zero and liftoff of the Delta II rocket with Phoenix, a distant 3 00:00:15,650 --> 00:00:23,150 \h science outpost seeking clues of the evolution at the polar region of Mars. 4 00:00:23,150 --> 00:00:38,280 \h VOICE: Vehicle is responding....of the main engine chamber pressures 5 00:00:38,280 --> 00:00:45,730 \h looking good...Peak chamber pressure in the solid motors....and we're 6 00:00:45,730 --> 00:00:50,970 \h seeing the normal levels of disturbances as we go approach mach one. 7 00:00:50,970 --> 00:01:00,520 \h Correction, we're past mach one. Supersonic. Solid motors beginning to 8 00:01:00,520 --> 00:01:08,960 \h taper off. We've passed max Q. First stage performance looking good. 9 00:01:08,960 --> 00:01:23,970 \h Five miles in altitude. Solid motor burnout. Air-start ignition and solid motor jettison.