USAPPC V3.00  REPLACES DA FORM 2028, 1 DEC 68, WHICH WILL BE USED. DA FORM 2028, FEB 74 RECOMMENDED CHANGES TO PUBLICATIONS AND  BLANK FORMS  For use of this form, see AR 25-30; the proponent agency is ODISC4. Use Part II  (reverse)  for Repair Parts and Special Tool  Lists (RPSTL) and Supply Catalogs/Supply Manuals  (SC/SM). DATE TO: (Forward to proponent of publication or form) (Include ZIP Code)  COMMANDER  U.S. ARMYTANK-AUTOMOTIVE AND ARMAMENT COMMAND  ATTN: AMSTA-LC-CECT  15 KANSAS STREET  NATICK, MA 01760-5052 FROM: (Activity and location) (Include ZIP Code) PART I – ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS  PUBLICATION/FORM NUMBER  TM 10-1670-287-23&P  DATE 30 July 2003  TITLE  MC-4 RAM AIR FREE FALL PERSONNEL PARACHUTE  SYSTEM ITEM  NO. PAGE NO. PARA- GRAPH LINE  NO. *  FIGURE NO. TABLE NO. RECOMMENDED CHANGES AND REASON  (Provide exact wording of recommended changes, if possible).  *Reference to line numbers within the paragraph or subparagraph.  TYPED NAME, GRADE OR TITLE  TELEPHONE EXCHANGE/AUTOVON, PLUS  EXTENSION SIGNATURE