What does Rock Drill mean with regard to Army terminology?

Answer 1

ROC = Rehearsal of Concept and it is a "ROC Drill", Not what is stated below.

FM 5-0 The Operations Process

A rock drill is a Reduced Force Rehearsal (not ROC)

REDUCED-FORCE REHEARSAL

I-18. Circumstances may prohibit a rehearsal with all members of the unit. A reduced-force rehearsal involves only key leaders of the organization and its subordinate units. It normally takes fewer resources than a full-dress rehearsal. Terrain requirements can be the same as a full-dress rehearsal, even though there

are fewer participants. The commander first decides the level of leader involvement. Then the selected leaders rehearse the plan while traversing the actual or similar terrain. Often commanders use this technique to rehearse fire control measures for an engagement area during defensive operations. A reduced force

rehearsal may be used to prepare key leaders for a full-dress rehearsal. It may require developing a rehearsal plan that mirrors the actual plan but fits the terrain of the rehearsal.

I-19. Often, smaller scale replicas of terrain or buildings substitute for the actual AO. Leaders not only explain their plans, but also walk through their actions or move replicas across the rehearsal area or sand table. This is called a rock drill. It reinforces the backbrief given given by subordinates since everyone can see the

concept of operations and sequence of tasks.given by subordinates since everyone can see the concept of operations and sequence of tasks.

Answer 2

In Army terminology, "Rock Drill" refers to a detailed and in-depth briefing or training session that covers specific plans or operations. It typically involves step-by-step instructions and simulations to ensure everyone understands their roles and responsibilities thoroughly. Rock Drills are crucial for effective mission execution and team coordination.