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.
The KC-Z4, a blended wing body tanker concept being developed by startup JetZero, could fuel larger groups of aircraft at longer range to hold more targets at risk, company officials say.