The Master System version of Moonwalker, like most SMS ports, is essentially a dumbed - down version of the Genesis game. (hardcoregaming101.net)
Correction: An earlier version of this story listed Jim Irwin as among the living Apollo moonwalkers and omitted Alan Bean. (spacepolicyonline.com)
On board the massive shuttle — which had never before left the ground — were veteran moonwalker John Young and rookie astronaut Robert Crippen. (discovermagazine.com)