(5) Field ration K is a' concentrated, cookqd ration composed of a breakfast, dinner, and supper unit. Each unit is packed in a paper box wrapped in paraffin paper. This ration is' nonperishable and is suitable for use as an individual reserve.
(6) The 10-in-1 ration is a cooked ration packed in a fiber box inclosing two packages, each contain- ing rations for five men. This ration is suitable for use as a reserve ration and for issue to patrols and small groups.
c. Prior to combat, one or more meals of field rations C, D, or K should be procured and issued to individuals as an individual reserve. Organizations or small detachments may be issued suitable field rations for independent missions when such units must be self-sustained for short periods. (See par. 3b (6).)
d. Troops should be provided with three meals daily; when practicable, two of these meals should be hot.
8. PROCUREMENT OF RATIONS.' a. The quantity and type of rations to be carried by individuals and on unit trains as a prescribed load is announced from time to time by the division or higher com- mander. Rations are received and distributed daily by a relatively standard procedure. They are ordin- arily obtained by the regiment during one 24-hour period for consumption during the next 24-hour period. In the combat zone, it is usually necessary