Concertina wire has sharp blades which can slice deep into your flesh and cause fatal injuries sometimes.”
Barbed wire provides “general security,” the site continues.
“Concertina wire is very powerful to threaten intentional invades.”Nov 26, 2018
https://razorfencewire.com/razor-wire-vs-barbed-wire/
Military Barbed Wire =>Tanglefoot
Military Razor Wire =Concertina Wire
052-195-3066 (SL3) - Direct Construction of Nonexplosive Obstacles
Standards: Directed the construction of obstacles that were tied to existing or reinforced obstacles to block, channel, or delay the enemy according to the mission brief or intent.
Conditions:
Given a mission directive, logistical
support for the type of nonexplosive
obstacle, squad personnel, organic
equipment, and FM 5-34.
Standards:
Directed the construction of obstacles that
were tied to existing or reinforced
obstacles to block, channel, or delay the
enemy according to the mission brief or
intent.