[LUNAR MODULE DEVELOPMENT]. A group 28 black and white 8 x 10 in. NASA press release photographs showing the LM design evolution including one version with five landing legs. Interior instrument development and equipment photos are included. [With:] Two full color Grumman Team Member certificates given to Grumman personnel for their role with LM-3 (Apollo 9) and LM-4 (Apollo 10). (30)