C-1 D.G. MORRAL Rear Admiral, USN  Program Executive Officer For Expeditionary Warfare Naval Sea Systems Command Official:  GEORGE T. BABBETT  General, USAF  Commander, Air Force Materiel Command  MICHAEL E. RYAN  GENERAL, USAF  Chief of Staff SANDRA R. RILEY  Administrative Assistant to the  Secretary of the Army  0436401  PETER J. SCHOOMAKER  General, United States Army  Chief of Staff  Official: By Order of the Secretaries of the Army, Air Force, and Navy (to include Marine Corps):  R.P. SHOCKEY  Director, Program Support  Marine Corps System Command  To be distributed in accordance with initial distribution number (IDN) 255304 requirements for TM 10-1670-287- 23&P. DISTRIBUTION:  ARMY TM 10-1670-287-23&P  AIR FORCE T.O. 14D1-2-468-2  MARINE CORPS TM 09011A-23&P  NAVY NAVAIR 13-1-38 