It would take more than 18 months, and extensive redesigns, before NASA sent more men into space.
The three men inside perished despite the best efforts of the ground crew. The Apollo program changed forever, when a flash fire swept through the Apollo 1 command module during a launch rehearsal test. astronauts Virgil “Gus” Grissom, Ed White and Roger Chaffee died in a fire aboard the Apollo 1 spacecraft during a launch simulation at Florida’s Kennedy Space Center.