Werner von Braun stands by the five engines of the Saturn V Dynamic Test Vehicle on display at the U. Space & Rocket Center in Huntsville, Alabama c. 1969 each engine produced million pounds of thrust.
When the firm SpaceX launches its Falcon Heavy rocket into space late this year, the craft will become the mightiest rocket in the world. Only NASA's Saturn V, which sent Americans to the moon, has ever generated more power.
Backdropped by a colorful Earth, astronaut Robert L. and Christer Fuglesang, participate in the first of three planned sessions of extravehicular activity as construction resumes on the International Space Station Dec.