*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  TECHNICAL MANUAL  DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.  *This manual supercedes TM 10-1670-287-23&P, dated 31 January 1992  HEADQUARTERS, DEPARTMENT OF THE ARMY  30 July 2003  UNIT AND DIRECT SUPPORT  MAINTENANCE MANUAL  (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)  FOR MC-4 RAM AIR FREE-FALL  PERSONNEL PARACHUTE SYSTEM  NSN 1670-01-306-2100 