TM 1-1680-359-10
2-5.  ASSEMBLY AND PREPARATION FOR USE (Cont)
(4)
Select   an   armor   insert   that,   when   placed   vertical   on   the   block   of   wood,   the   top   of   the   insert   is
approximately  1  inch  below  the  suprasternale  location.    (The  suprasternale  is  the  small  indenture  above
the  sternum.)    An  insert  which  comes  closest  to  1  inch  below  the  suprasternale  location  is  your  correct
insert size.
b.
Fitting Vest.
(1)
Put on required flight, MOPP and/or cold weather garments.
(2)
Select a vest based on your measurements (refer to paragraph 1-8 for vest sizes available).
c.
Attaching  LPU-1O/P Life Preservers.  The illustration below shows proper placement of LPU.
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