Universal Camouflage Pattern
The Universal Camouflage Pattern (UCP) is a digital military camouflage pattern formerly used by the United States Army in their Army Combat Uniform. The pattern was chosen after laboratory and field tests from 2003 to 2004 showed it to provide the best concealment in many different operational environments. It beat ten other patterns (though UCP may still have been adopted without field testing against other patterns because senior military leaders liked it). Its pixelated pattern is similar to the MARPAT and CADPAT camouflage patterns used by the United States Marine Corps and the Canadians, respectively.
|Universal Camouflage pattern|
A sample of the UCP pattern
|Type||Military camouflage pattern|
|Place of origin||United States|
|In service||2005–2019 (U.S. Army)[a][b]|
|Used by||State defense forces
|Wars||War in Afghanistan|
|Variants||Universal Camouflage Pattern Delta (UCP–D)|
Soldiers in Afghanistan questioned the effectiveness of the all-terrain pattern. After years of continuous complaints and criticisms, and the passing of Bill 2346 by the House of Representatives requiring the Department of Defense to "take immediate action to provide combat uniforms to personnel deployed to Afghanistan with a camouflage pattern that is suited to the environment of Afghanistan," the Army then conducted several studies to find a modification or replacement for the standard issue pattern. While avoiding directly admitting that the pattern was an ultimate failure, in July 2014, the Army announced that Operational Camouflage Pattern would replace all UCP-patterned ACU uniforms by the end of September 2019,. However, UCP does remain in service in limited capacities, such as on some cold weather overgear and older body armor. 
Additionally, after having used the OCP for several years as their own deployment uniform, the United States Air Force also decided to adopt the OCP as their sole utility uniform for all Airmen, both in-garrison and deployed, to replace their current pixelated utility uniform, the Airman Battle Uniform, which was similar in appearance to UCP. The wear-out date for the Air Force ABU is 1 April 2021.
Initial patterns and colorsEdit
Three patterns were developed, called All Over Brush, Track, and Shadow/Line. For each pattern, there were four color combinations, which corresponded to a specific type of terrain, however, all four patterns used tan as their base color. The three remaining colors were green, brown, and black for the Woodland pattern, dark tan, khaki, and brown for the Desert pattern, light gray, medium gray, and black for the Urban pattern, and dark tan, light gray, and brown for the Desert/Urban pattern.
There were fifteen evaluations, which took place at Fort Benning, Fort Polk, Fort Irwin, Fort Lewis, and Yakima, Washington. The camouflage patterns were then rated on their blending, brightness, contrast, and detection by U.S. Army soldiers, during the daytime, and also at night using night vision devices.
Elimination of patternsEdit
Following testing, the Shadow Line pattern was eliminated entirely, along with the urban and desert/urban patterns of All Over Brush. All four of the Track patterns were accepted along with All Over Brush's woodland and desert patterns.
Phases II and IIIEdit
The patterns were then modified and tested alongside a newly introduced "Contractor-Developed Mod" pattern, MultiCam. Near infrared testing determined that black, medium gray, and medium tan were the only colors that gave acceptable performance.
Phase IV (system level)Edit
All four remaining patterns, desert Brush, MultiCam, Woodland Track, and Urban Track were then tested alongside each other in urban, woodland, and desert environments.
The desert Brush design received the best overall mean daytime visual rating. Contractor developed pattern received highest rating in woodland environments, but low ratings in desert and urban environments. Urban Track was generally the 3rd or 4th worst performer at each site, but was the best performer in nighttime environments. Infrared testing showed negligible differences in the performance of the four patterns. Natick rated the patterns from best to worst as: Desert Brush, Woodland Track Mod, Contractor-Developed Mod, and Urban Track.
The color scheme of the Army Combat Uniform is composed of tan (officially named Desert Sand 500), gray (Urban Gray 501), and sage green (Foliage Green 502). The pattern is notable for its elimination of the color black. Justification given for the omission of black was that black is a color not commonly found in nature. Pure black viewed through night vision goggles can appear extremely dark and create an undesirable high-contrast image.
The U.S. Army incorrectly reported to the media that the basis for the UCP was the Urban Track pattern, which had been modified through the removal of black from the pattern and pixelated. Pattern comparisons subsequently established that the information provided by the U.S. Army was incorrect, and that the pattern was simply a three-colored version of MARPAT, a derivative of the Canadian CADPAT scheme. No evidence has been presented by the U.S. Army that the new UCP pattern had undergone proper field testing.
Following building criticism of the poor effectiveness of the pattern in most terrains like the Afghan and Middle Eastern theatres of operations, the use of the pattern was discussed within the US Senate.
When passed by the Senate, House of Representatives Bill 2346 required the Department of Defense to "take immediate action to provide combat uniforms to personnel deployed to Afghanistan with a camouflage pattern that is suited to the environment of Afghanistan." The Army subsequently initiated re-evaluation of existing and alternative camouflage patterns to determine if this was a necessary action. In recent tests conducted by the U.S. Army's Natick Soldier Systems Center (NSRDEC), results indicated that three other patterns did significantly better than UCP in desert and woodland environments. Four commercial submissions were tested to replace UCP for Army use.
Discontinuation and replacementEdit
In 2014, the United States Army discontinued the Universal Camouflage Pattern, and Army researchers worked on a new and better camouflage. Four new patterns were tested to give soldiers different patterns suitable for different environments, plus a single neutral pattern, to be used on more expensive body armor and other gear.
The selection involved hundreds of computer trials as well as on-the-ground testing at half a dozen locations around the world. In May 2014, the Army announced that a pattern called Scorpion, a pattern similar to MultiCam that was developed for the Objective Force Warrior program in 2002 and modified in 2009 (W2 version), had been chosen as the replacement for UCP. On 31 July 2014, the Army formally announced that the Operational Camouflage Pattern would begin being issued on uniforms in summer 2015.
The name Operational Camouflage Pattern is to emphasize its use beyond Afghanistan to all combatant commands, with a family of versions, including a dark jungle-woodland variant and a lighter pattern for deserts. The Universal Camouflage Pattern was discontinued Army at the end of September 2019 for uniforms, though still sees some limited usage on other gear such as some body armor and cold weather overgear. As the military began phasing out the UCP, many state defense forces began adopting it as their uniform.
- India: Used for urban operations only by MARCOS commandos and Paras.
- Malaysia: Supplied and used by the Special Task And Rescue unit.
- Montenegro: Used by the Montenegrin Special Anti-Terrorist Unit.
- Serbia: Used by the Serbian Special Anti–Terrorist Unit only in operations inside cities/towns with UCP-patterned BDUs. Also used by the Gendarmery.
- Ukraine: Used by some Ukrainian forces including
- United States
- Some limited usage from 2004 to 2005 for prototype testing.
- Though UCP remains in service in limited capacities such as on some cold weather overgear and older body armor.
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