![File:US Navy 081014-N-1205P-121 Chiefs and officers assigned to Naval Mobile Construction Battalion (NMCB) 5 practice setting up a triple-strand concertina wire fence during the NMCB-5 annual Khaki field exercise.jpg - Wikipedia File:US Navy 081014-N-1205P-121 Chiefs and officers assigned to Naval Mobile Construction Battalion (NMCB) 5 practice setting up a triple-strand concertina wire fence during the NMCB-5 annual Khaki field exercise.jpg - Wikipedia](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3b/US_Navy_081014-N-1205P-121_Chiefs_and_officers_assigned_to_Naval_Mobile_Construction_Battalion_%28NMCB%29_5_practice_setting_up_a_triple-strand_concertina_wire_fence_during_the_NMCB-5_annual_Khaki_field_exercise.jpg/548px-thumbnail.jpg)
File:US Navy 081014-N-1205P-121 Chiefs and officers assigned to Naval Mobile Construction Battalion (NMCB) 5 practice setting up a triple-strand concertina wire fence during the NMCB-5 annual Khaki field exercise.jpg - Wikipedia
![What We're Watching: Polish state of emergency, Ukraine-US meeting, South African nuclear power, Russia's troll - GZERO Media What We're Watching: Polish state of emergency, Ukraine-US meeting, South African nuclear power, Russia's troll - GZERO Media](https://www.gzeromedia.com/media-library/polish-army-soldiers-build-a-fence-with-concertina-wire-at-the-belarusian-border-in-order-to-stop-immigrants-from-entering-the-c.jpg?id=27366213&width=980)
What We're Watching: Polish state of emergency, Ukraine-US meeting, South African nuclear power, Russia's troll - GZERO Media
When and why did the US military change from barbed wire to concertina razor wire? Was it an American invention? - Quora
![Free Images : fence, barbed wire, desert, wind, military, line, security, war, danger, prison, obstacle, iraq, atmosphere of earth, outdoor structure, wire fencing, home fencing, c wire, constantine wire, constantino wire 3648x2736 - - Free Images : fence, barbed wire, desert, wind, military, line, security, war, danger, prison, obstacle, iraq, atmosphere of earth, outdoor structure, wire fencing, home fencing, c wire, constantine wire, constantino wire 3648x2736 - -](https://get.pxhere.com/photo/fence-barbed-wire-desert-wind-military-line-security-war-danger-prison-obstacle-iraq-atmosphere-of-earth-outdoor-structure-wire-fencing-home-fencing-c-wire-constantine-wire-constantino-wire-730245.jpg)
Free Images : fence, barbed wire, desert, wind, military, line, security, war, danger, prison, obstacle, iraq, atmosphere of earth, outdoor structure, wire fencing, home fencing, c wire, constantine wire, constantino wire 3648x2736 - -
![U.S. Army Reserve Soldiers with the 348th Engineer Company, lay concertina wire while emplacing a hasty frat fence during Sapper Stakes 2015 at Fort Chaffee, Ark., Sept. 1. (U.S. Army photo by U.S. Army Reserve Soldiers with the 348th Engineer Company, lay concertina wire while emplacing a hasty frat fence during Sapper Stakes 2015 at Fort Chaffee, Ark., Sept. 1. (U.S. Army photo by](https://l450v.alamy.com/450v/pe3rgt/us-army-reserve-soldiers-with-the-348th-engineer-company-lay-concertina-wire-while-emplacing-a-hasty-frat-fence-during-sapper-stakes-2015-at-fort-chaffee-ark-sept-1-us-army-photo-by-staff-sgt-debralee-best-pe3rgt.jpg)
U.S. Army Reserve Soldiers with the 348th Engineer Company, lay concertina wire while emplacing a hasty frat fence during Sapper Stakes 2015 at Fort Chaffee, Ark., Sept. 1. (U.S. Army photo by
![X 上的Angry Staff Officer:「C-wire goes in easily. It is a BITCH to take out. Wonder who's gonna get that unfortunate duty...」 / X X 上的Angry Staff Officer:「C-wire goes in easily. It is a BITCH to take out. Wonder who's gonna get that unfortunate duty...」 / X](https://pbs.twimg.com/media/DrSbBshUUAAtrvk.jpg)
X 上的Angry Staff Officer:「C-wire goes in easily. It is a BITCH to take out. Wonder who's gonna get that unfortunate duty...」 / X
![Concertina Wire On Top Of Fence Military Prison Barbed Coils Stock Photo - Download Image Now - iStock Concertina Wire On Top Of Fence Military Prison Barbed Coils Stock Photo - Download Image Now - iStock](https://media.istockphoto.com/id/182246250/photo/concertina-wire-on-top-of-fence-military-prison-barbed-coils.jpg?s=1024x1024&w=is&k=20&c=q5OsekwVL9y2ooyydy5Wv5ZDLaDReEpH2EFvL8IM5bs=)