Mujahideen Tactics in the Soviet-Afghan War - Bennett Park Raiders

Chapter 1, Vignette 16 Page 67
withstand fire from enemy armored vehicles and, sometimes, helicopter
gunships.
The most successful Mujahideen ambushes organized the ambush
into a heavy weapons support group, flank security groups, an assault
group, and a logistics support/spoils removal group. The best ambushes
had a well-understood chain of command and radio communications
between the groups. Following the ambush, the flank security groups
(with an air defense element), covered the withdrawal of the other
groups over a secured withdrawal route.