The nighters have been lit. 8, 7, 6, 5, 4, 3, 2, 1. And liftoff, at dawn, the dawn of Orion, in a new era of American space exploration. Good engine control on the first stage, passing 25 seconds. The last is 1341 feet per second. Passing 31 seconds still looking good. Good engine control. Good chamber pressure and all three posters in the full power mode. 40 seconds in. Standing by to go through the partial thrust boat in the four. Do we have partial thrust command in the four? Or chamber pressure beginning to drop as expected? As we're coming up of the one minute mark. Mark, one minute in the flight. Still looking good. Good chamber pressure in the four. Good chamber pressure and four starbursts in full power mode. One minute, 15 seconds to the flight. We have the hydrazine supply valve open in the second stage. One minute, 22 seconds in. Max Q, maximum dynamic pressure on the vehicle. Passing 124 Mach 1. Orion in Delta 4 now transcending the speed of sound. One minute, 31 seconds in.