The crews of Apollo 1 and challenger. They made the ultimate sacrifice, giving their lives and service to their country and for all mankind. Their Dedication And Devotion to the exploration of space was an inspiration to each of us, and still motivates people around the world to achieve great things in service to others. As we orbit the earth, we will join the entire Nasa Family for a Moment Of Silence in their memory. Our thoughts and prayers go to their families as well. Here we go. We went to nasa and did what they called a teleconference. Yeah, i remember being excited