Nominations of Augustine, Potter, LaBerge, and McCullen, jr., hearing, 93d Congress, 1st session, on nominations of Norman R. Augustine, of Texas, to be Assistant Secretary of Army for Research and Development, David S. Potter, of Wisconsin, to be Assistant Secretary of Navy for research and development, Walter B. LaBerge, of California, to be Assistant Secretary of Air Force for Research and Development, and Joseph T. McCullen, jr., of Maryland, to be Assistant Secretary of Navy for Manpower and Reserve Affairs, Sept. 13, 1973.