Encyclopedia Astronautica
1964.03.24 - Apollo LEM mockup TM-1 inspection and review

The first formal inspection and review of the LEM test mockup TM-1 was held at Grumman. TM-1 allowed early assessment of crew mobility, ingress, and egress. It was a full-size representation of crew stations, support and restraint systems, cabin equipment arrangement, lighting, display panels and instrument locations, and hatches. The TM-1 evaluation became the basis for the final LEM mockup, TM-5, from which actual hardware fabrication would be made.

The TM-1 Review Board (comprising Chairman Owen E. Maynard, Maxime A. Faget, Donald K. Slayton, and William F. Rector III, all of MSC; and Tom J. Kelly and Robert M. Carbee of Grumman) approved 28 requests for change; 15 others were marked for further investigation.

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