The 46th anniversary of the Apollo I ceremony was held the evening of Jan. 27, 2012 at Launch Complex 34 on Cape Canaveral Air Force Station. Taking part in the memorial service are family members of Air Force Lt. Col. Virgil "Gus" Grissom, one of the three astronauts killed. Attending are (left to right) his grandson, Cody, his son, Scott and his wife, Betty. (U.S. Air Force Photo/ Matthew Jurgens)