LRP Ration
The Food Packet, Long Range Patrol or "LRP ration" (pronounced "Lurp") was a U.S. Army freeze-dried dehydrated field ration. It was developed in 1964 during the Vietnam War (1959-75) for use by Special Operations troops---small, heavily armed long-range reconnaissance teams that patrolled deep in enemy-held territory, where bulky canned MCI rations (formerly known as C rations) proved too heavy for extended missions afoot.
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