Military kits

Survival kits for military aviators are often modified according to the environment of operations:

• In desert areas, survival kits may have more water and sunscreen, and have additional items such as shade hats, a compass, a whistle, medical equipment, tinder, matches, and sun glasses.
• In tropical areas, a survival kit may have mosquito head netting, additional insect repellent, anti-fungal cream, a machete, water purification tablets, foot powder, matches, a flint strike, a compass, a wire saw, a space blanket, medical equipment (gauze pads, elastic gauze bandage, antiseptic creams, anti-malaria tablets, anti-infection tablets, bandages, etc.), salt tablets, a fishing kit, snare wire, extra socks, a candle, a signal mirror, flares, a sewing kit, safety pins, tinder, tape, a whistle, and rations.
• In arctic or alpine areas, survival kits may have additional cold weather clothing (winter hats and gloves), sleeping bags, chemical "hand warmer" packets, sun glasses/snow goggles, snowshoes, a collapsible shovel, a snare wire for small animals, a frying pan, a camp stove, camp stove fuel, a space blanket, matches, a whistle, a compass, tinder, medical equipment, a flint strike, a wire saw, extra socks and a tent designed for arctic use.
• For personnel who are flying over large bodies of water, a survival kit may have additional items such as flotation vests, fishing nets, fishing equipment, fluorescent sea marking dye, a flare launching gun and cartridges (and perhaps a revolver and tracer ammunition), a survival radio (e.g., an AN/PRC-90), a distress marker light, a Sea Water Still for desalt seawater, a raft repair kit, a paddle, a bailer and sponge, sunscreen, medical equipment, a whistle, a compass, and a sun shade hat.

The US Army uses several basic survival kits, mainly for aviators, which are stored in canvas carrying bags. Aviators in planes with ejection seats have survival kits in the seat pan and the survival vest (SRU-21P) worn by US helicopter crews also contains some basic survival items.