This month I assembled three videos to memorialize the crew of STS-107 and to recognize the sacrifices of those who fought so hard to bring Columbia home and prepare the shuttle fleet to fly again. These videos were first shown publicly at the “Columbia: Lessons and Legends of Recovery” event at Kennedy Space Center on January 26.

I understand that versions of these videos may be officially shared later on, but I wanted to give you the opportunity to see them this week as we reflect on the cr...