At 1831 hours, on Friday, 27 January 1967, Lt. Col. Virgil "Gus" Grissom, Lt. Col. Edward White and Lt. Cmdr. Roger Chaffee were killed during what was supposed to be a test for the first of the Apollo lunar missions.
This image shows what remains of the launch pad. The rounded pipes that make up the ring were used to spray water onto the concrete pad below.
LC34 was used only once after the Apollo 1 tragedy - for the launch of Apollo 7.