Could it be the coolest job in the military? Mark Vande Hei thinks so. This retired Army Colonel recently embarked on a six month mission on the International Space Station. In this video, Vande Hei explains how he and other Army astronauts contribute to the Human Space Flight Program.
Read about the Army’s active-duty astronauts.
Source: Armed with Science, written by Yolanda R. Arrington, DoD News, Defense Media Activity.