Militaries around the world use camouflage to evade detection by the enemy in all kinds of environments, from jungle and desert to city streets.
Avoiding detection is often a matter of life and death, and the patterns and colors are dictated by the environment where troops expect to operate.
Some work better than others, but all patterns are designed to help troops blend in with their surroundings.
1. Desert camouflage
British Soldiers use a compound as shelter during an operation in Afghanistan.
(Photo by Cpl. Daniel Wiepen)
Desert camouflage has gone through a host of updates since the war in Iraq began, in an effort to make troops harder to spot in sandy and dusty environments there.
2. US Marines wear a digital pattern with small pixels.
Marine Corps Commandant Gen. Robert B. Neller speaks to Marines during a town hall in Shorab, Afghanistan, June 28, 2018.
(Photo by Sgt. Olivia G. Ortiz)
MARPAT, as the camo pattern is known, is widely viewed as one of the best concealment patterns because of the small, digitized pixels.
3. US and Romanian Army camouflage, pictured during an exercise in Poland, shows how different countries combine colors and patterns to blend with environments where they expect to operate.
US and Romanian soldiers discuss an operation during a multinational exercise in Poland in June 2018.
(Photo by Spc. Hubert Delany)
4. Russian soldiers wear a digital pattern with small pixels that's designed for the forest.
A Russian soldier participates in an exercise in February 2018 in Belarus.
(Russian Ministry of Defense)
5. Dutch woodland camouflage uses darker colors to blend in.
Dutch troops pictured during NATO exercise Trident Juncture.
(Photo by Hille Hillinga)
6. Exercise Trident Juncture brought together 30 countries, all wearing their various camouflage patterns.
Belgian and German soldiers conduct weapons proficiency training in Norway during Exercise Trident Juncture.
(Allied Joint Force Command Naples)
7. Australian sailors wear a grey and black camouflage pattern.
Sailors from the HMAS Warramunga pictured during an interception of a suspect vessel in the Arabian Sea, where they seized approximately 100kg, or 220 pounds, of heroin.
(LSIS Tom Gibson Royal Australian Navy)
8. The US Navy used a controversial blue digital camouflage pattern that is now being phased out.
Sailors attached to the USS Blue Ridge fire M16 rifles during qualification training at Camp Fuji.
(Photo by Mass Communications Specialist Seaman Ethan Carter)
9. Up close, this US Army camouflage doesn't seem to be effective at concealment.
Army students in a cold weather operations course prepare for training in Wisconsin.
(Photo by Scott T. Sturkol)
10. From a distance, it helps the soldiers blend in with the treeline.
Army students in cold weather operations course prepare for training in Wisconsin.
(Photo by Scott T. Sturkol)
11. Militaries have creative ways of concealing vehicles, like this infantry carrier.
A camouflaged Stryker Infantry Carrier Vehicle sits under a tree in Poland.
(Photo by Spc. CaShaunta Williams)
This article originally appeared on Business Insider. Follow @BusinessInsider on Twitter.
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