Infantry Drills

H-14: Breaching Fundamentals

Previous: Section II: Obstacle Reduction

H-14. Suppress, obscure, secure, reduce, and assault (SOSRA) are the breaching fundamentals being applied to ensure success when breaching against a defending enemy. These obstacle reduction fundamentals always will apply, but they may vary based on METT-TC.

Next: H-15: Suppress

Go Back To: U.S. Army FM 3-21.8: The Infantry Rifle Platoon and Squad