History, Humor, Space, Space History, Technology and Society Apollo 13 April 7, 2020 Rand Simberg Hard to believe it’s the half-century anniversary. This is probably the true cause of the LOX-tank explosion. Now we know it was Lovell's fault. https://t.co/FnmRgmHGTY— SafeNotAnOption (@SafeNotAnOption) April 7, 2020