Lowell Grissom addresses guests attending a ceremony at the KSC Visitor Complex held in remembrance of the astronauts lost in the Apollo 1 fire.

Lowell Grissom addresses guests attending a ceremony at the KSC Visitor Complex held in remembrance of the astronauts lost in the Apollo 1 fire: Virgil "Gus" Grissom, Edward H. White II and Roger B. Chaffee. Grissom is the brother of Gus Grissom. Members of the Apollo 1 families, along with KSC Director Bill Parsons, Associate Administrator for Space Operations William Gerstenmaier, President of the Astronauts Memorial Foundation Stephen Feldman, Chairman of the Board of Directors of the Astronauts Memorial Foundation William Potter and former astronaut John Young (seen at lower right), attended the ceremony. Photo credit:NASA/Kim Shiflett