bags 2 thermal survival blankets 1 bellows / pump 3 leak stoppers 2 bottles of sunscreen 6 drinking cups 1 fishing kit 1 sea anchor and line 1 scissors 1 repair kit 2 parachute rocket 3–6 hand flares 2 flashlights with extra batteries and bulbs 1 whistle 1 signaling mirror 1 smoke signal Survival instructions Table of life-saving signals 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, sunglasses/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, in addition to wearing a survival suit over cold water, a survival kit may have additional items such as a small self-inflating raft to get the aircrewman out of cold or predator infested waters, flotation vests, sea anchor, fishing nets, fishing equipment, fluorescent sea marking dye, pyrotechnical signals, a survival radio and/or radio-beacon, formerly a distress marker light replaced by a flashing strobe, formerly a seawater still or chemical desalinator kit now replaced by a hand-pumped reverse osmosis desalinator (MROD) for desalinating seawater, a raft repair kit, a paddle, a bailer and sponge, sunscreen, medical equipment, a whistle, a compass, and a sun shade hat. The U.S. Army uses several basic survival kits, mainly for aviators, some of which are stored in carrying bags. Aviators in planes with ejection seats have survival kits in a vest and the seat