latermarriage marriage Ms and TMs list the spare parts, special tools,
and organizational maintenance procedures for a
particular weapon. The FMis the operator’s manual and
is intended for personnel in the field who must maintain
the weapon. Indexes of Army FMs and TMs are printed
in Army pamphlets 310-3 and 310-4, respectively. OP 0
also lists TMs, FMs, and OPs pertaining to
