Off-white report cover, 8.25 x 11, for the NASA Grumann LEM Critical Design Review, signed in ballpoint and felt tip by sixteen astronauts, including five moonwalkers. Signers are: Gus Grissom, Roger Chaffee, Dave Scott, Wally Schirra, Donn Eisle, Jim Irwin, Walt Cunningham, Gordon Cooper, Charles Conrad, C. Williams, James McDevitt, Fred Haise, Alan Bean, John Young, Rusty Schweickart and John S. Bull. Six of the sixteen signers are now deceased, including two members of the Apollo 1 mission. In fine condition, with a couple touches of trivial toning and a rough left edge from removal from binder. R&R COA.