Army Rangers (75th Ranger Regiment)

US Army Rangers are an elite light infantry unit that carries out special operations

Rangers - Roles

airborne / air assaults
direct action operations
raids
airfield seizure
recovery of personnel and special equipment
support of general purpose forces (GPF)

Rangers often provide support to other Special Operation Forces (SOF) such as Delta Force. In such operations, the Rangers will typically act as a security and/or backup force for Delta. An example of this type of mission occurred during Operation Gothic Serpent, Somalia, 1993 during which Rangers provided a security cordon for several Delta Force operations.

Rangers - Video

Rangers - Organization

75th Ranger Regiment comprises of a number of battalions:

1st Ranger Battalion
2st Ranger Battalion
3rd Ranger Battalion
4th Ranger Battalion (training)
5th Ranger Battalion (training)
6th Ranger Battalion (training)
Regimental Special Troops Battalion

Rangers- Operations

The modern 75th Ranger Regiment began as the 1st Ranger Battalion in 1974. Further battalions were to follow until the 75th Ranger Regiment was created in 1986. Rangers have operated in South America, Africa and the Middle East.

more info : Rangers operations