thunder run n.— «“Looks to me like a ‘Thunder Run,’” I said, recalling reconnaissance-in-force operations of that name I’d seen near the Y Bridge in Vietnam in 1968.…A “Thunder Run” was a unit of armor and...
teeth arm n. a military’s fighting troops, such as infantry, cavalry, and armored divisions. Editorial Note: Troops not in the teeth arm have supporting roles in technical, logistic, and administrative arms. (source: Double-Tongued Dictionary)
infartillery n.— «Soldiers of the 4th BCT (UA) coined the term “infartillery” during their rotation at JRTC to describe their new functions. While they still had traditional artillery responsibilities, they also prepared to go...

