![Runner crawling under barbed wire in a test of extreme obstacle race stock photo (195356) - YouWorkForThem Runner crawling under barbed wire in a test of extreme obstacle race stock photo (195356) - YouWorkForThem](https://d39l2hkdp2esp1.cloudfront.net/img/photo/195356/195356_00_2x.jpg)
Runner crawling under barbed wire in a test of extreme obstacle race stock photo (195356) - YouWorkForThem
![File:US Navy 060607-N-5215E-008 A U.S. Naval Academy Midshipmen crawls under barbed wire at U.S. Marine Corps Base Quantico, as a part of Leatherneck.jpg - Wikimedia Commons File:US Navy 060607-N-5215E-008 A U.S. Naval Academy Midshipmen crawls under barbed wire at U.S. Marine Corps Base Quantico, as a part of Leatherneck.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/2/28/US_Navy_060607-N-5215E-008_A_U.S._Naval_Academy_Midshipmen_crawls_under_barbed_wire_at_U.S._Marine_Corps_Base_Quantico%2C_as_a_part_of_Leatherneck.jpg)
File:US Navy 060607-N-5215E-008 A U.S. Naval Academy Midshipmen crawls under barbed wire at U.S. Marine Corps Base Quantico, as a part of Leatherneck.jpg - Wikimedia Commons
![A paratrooper crawls under the barbed wire obstacle part of the team assault course competition during A paratrooper crawls under the barbed wire obstacle part of the team assault course competition during](https://media.defense.gov/2015/May/20/2001141111/-1/-1/0/342353-Q-ERC59-470.jpg)
A paratrooper crawls under the barbed wire obstacle part of the team assault course competition during
![Soldier crawling under a net of barbed wire as part of an obstacle course. Part of a training for Green Beret United States Army Special Forces. - Stock Video Footage - Dissolve Soldier crawling under a net of barbed wire as part of an obstacle course. Part of a training for Green Beret United States Army Special Forces. - Stock Video Footage - Dissolve](http://cdn9.dissolve.com/p/17A215_10592/17A215_10592_0004_600.jpg)
Soldier crawling under a net of barbed wire as part of an obstacle course. Part of a training for Green Beret United States Army Special Forces. - Stock Video Footage - Dissolve
![Soldiers crawling under low barbed wire at an obstacle course at a training for Green Beret United States Army Special Forces. It is muddy. - Stock Video Footage - Dissolve Soldiers crawling under low barbed wire at an obstacle course at a training for Green Beret United States Army Special Forces. It is muddy. - Stock Video Footage - Dissolve](http://cdn8.dissolve.com/p/17A215_10358/17A215_10358_0004_600.jpg)
Soldiers crawling under low barbed wire at an obstacle course at a training for Green Beret United States Army Special Forces. It is muddy. - Stock Video Footage - Dissolve
![File:An Army Junior Officer Training Corps cadet low-crawls underneath a barbed wire obstacle on the 7th Special Forces (Airborne) compound.jpg - Wikimedia Commons File:An Army Junior Officer Training Corps cadet low-crawls underneath a barbed wire obstacle on the 7th Special Forces (Airborne) compound.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/d2/An_Army_Junior_Officer_Training_Corps_cadet_low-crawls_underneath_a_barbed_wire_obstacle_on_the_7th_Special_Forces_%28Airborne%29_compound.jpg)