Astronauts USAF Lt. Col. Virgil I. “Gus” Grissom, Navy Lt. Cmdr. Roger B. Chaffee, and USAF Lt. Col. Edward H. White II are killed in a flash fire aboard their Apollo 1 command module during a ground test. The disaster sets the moon-landing effort back two years.
U.S. President Joe Biden delivered remarks June 1 at the U.S. Air Force Academy graduation ceremony—his first visit to USAFA as president. The full text and video of his speech is available here.