INFANTRYMANS GUIDE: React to & avoid enemy ambush

In this episode of Infantryman's Guide, we will discuss techniques for avoiding and reacting to an enemy ambush.
References:
MCWP 3-11 (Formally 6-5) Marine Rifle Squad
MCWP 3-11.3 Scouting and Patrolling (Marines)
FM 7-8 (Army)