Kennedy Space Center Director Bob Cabana speaks to guests in the Space Shuttle Atlantis exhibit at the spaceport's visitor complex on Wednesday, May 30, 2018. The ceremony is honoring the memory of former NASA astronaut Don Peterson. As a mission specialist on STS-6 in April 1983, he participated in the first spacewalk of the Space Shuttle Program. He passed away May 27, 2018, in El Lago, Texas. He was 84.