Together, it and FM 3–0 are considered by the U.S. Army to be the "two capstone doctrinal manuals."[5] FM 3–0, Operations[B] – The operations guide "lays out the fundamentals of war fighting for future and current generations of recruits."[2] FM 3-05.70 U.S. Army Survival Manual –Used to train survival techniques (formerly the FM 21-76).