Apollo 16 double-sided training cue card, 6 x 8.25, with four swatches of Velcro affixed to both sides, dated March 8, 1972. Cue card is for an SPS (Service Propulsion System) Burn, providing step-by-step instructions for the scheduled burn. Card has a 4 x .75 inch section cut from the upper portion. In fine condition. The SPS was the main propulsion system for the command and service module. RRAuction COA.