Moonwalkers and dozens of others who took part in NASA's storied Apollo program paid tribute Thursday to the three astronauts killed in a fire 50 years ago. On the eve of the Apollo 1 anniversary, hundreds gathered at Kennedy Space Center to honor Gus Grissom, Ed White and Roger Chaffee. The anniversaries of all three accidents fall within days: Apollo 1 on Jan. 27, Challenger on Jan. 28 and Columbia on Feb. 1. During a launch pad test on Jan. 27, 1967, a flash fire erupted inside the capsule killing three Apollo crew members. "Grissom, White, Chaffee, Kennedy.

Source: Fox News January 26, 2017 20:02 UTC