The Large Launch Vehicle Planning Group, established on July 7, 1961, began its formal existence with seven DOD and seven NASA members and alternates.

The members of the Group included : Nicholas E.Golovin, Director of the Group, Technical Assistant to the Associate Administrator of NASA; Lawrence L. Kavanau, Deputy Director of the Group, Special Assistant (Space) in the Office of the Director of Defense Research and Engineering; Warren Amster and Edward J. Barlow, Aerospace Corporation; Aleck C. Bond, STG; Lt. Col. David L. Garter and Col. Otto J. Glasser, Air Force Systems Command; Col. Matthew R. Collins, Jr., U.S. Army, Office of Chief of Ordnance; Eldon W. Hall, Harvey Hall, and Milton W. Rosen, NASA Office of Launch Vehicle Programs; Wilson B. Schramm and Francis L. Williams, Marshall Space Flight Center; Rear Adm. Levering Smith, U.S. Navy, Special Projects Office ; Capt. Lewis J. Stecher, Jr., U.S. Navy, Office of the Chief of Naval Operations; H. J. Weigand, Headquarters, U.S. Air Force; Kurt R. Stehling, NASA Office of Program Planning and Evaluation; and William W. Wolman, NASA Office of Programs. References: 16 .