ATP 3-50.21 governs survival, evasion, resistance, and escape skills for isolated personnel in field conditions.
View ATP 3-50.21 on armypubs.army.mil
It covers personnel recovery, survival medicine, food and water, fire craft, shelters, clothing, land navigation, equipment, and ropes and knots. It requires preparation in survival proficiencies and the use of varied methods for obtaining water, preparing food, navigation, shelter, and fire.
Applies to: All Soldiers, Department of Army civilians and supporting contractors must understand how Army survival, evasion, resistance, and escape (SERE) relates to personnel recovery.
The survival proficiencies include protection, sustenance, survival medicine, and navigation. (paragraph 1-3)
There are four fundamentals common to survival medicine: prevention, recognition, mitigation, and treatment. (paragraph 1-5)
Isolated personnel must be prepared to use a variety of both native and domestic food sources, obtain water using various methods, and be able to prepare and preserve food and water throughout the duration of their isolation. (paragraph 1-6)
Army forces are typically equipped and prepared to survive for up to 96 hours of isolation subject to recovery force capabilities, threats, and environmental conditions. (paragraph 1-7)
Navigation requirements for isolated personnel are met through planning and preparation efforts that focus on a combination of (Global Positioning System) GPS, map and compass, and field expedient techniques in a specific operational environment for the purpose of surviving, avoiding capture, and facilitating recovery. (paragraph 1-8)