“Solid-fuel rockets can't easily be shut down on command.” — Henry Spencer Quote

“Solid-fuel rockets can't easily be shut down on command.”

“The original specifications for Apollo navigation called for the ability to fly a complete mission, including a lunar landing, with no help from Earth - none, not even voice communications.”

“In 1960-61, a small group of female pilots went through many of the same medical tests as the Mercury astronauts and scored very well on them - in fact, better than some of the astronauts did.”

“I came of technical age with UNIX, where I learned with power-greedy pleasure that you could kill a system right out from under yourself with a single command.”

“While I am in this world, I am resolved that no vexation shall put me out of temper if I can possibly command myself. Even old age, which is making strides towards me, shall not prevail to make me peevish.”

“I am in politics sincerely and selflessly without any command, demand, complaints or personal expectations.”