Patch of unknown origin, commemorates Grumman's first lunar module, designated Apollo 5. Apollo 5 Launch vehicle: Saturn 1B Launch: 22 January 1968 Re-entry: 22 January 1968 (LM ascent stage) 12 February 1968 (LM descent stage) This was the first flight test of the Apollo LM. The flight verified ascent-and descent-stage propulsion systems, including restart and throttle operations. It also evaluated LM staging and fourth-stage orbital performance.