RSMTC Foundations Practice Exam

Direct Fire Kill Chain is the rapid, sensor-to-shooter sequence used to spot, identify, track, and engage targets with direct-fire weapons. The official publication that defines this chain, its steps, and who does what is TC 3-20.31-040. It lays out the flow from finding and fixing a target, tracking it, developing the firing solution, engaging, and then assessing the effect, all within a direct-fire context. This is the best match because it specifically codifies how direct-fire assets, observers, and fire support work together to deliver a fast, coordinated kill. The other documents are related but not the standard definition of the Direct Fire Kill Chain: one is an amendment to the base publication, another is a different edition, and the remaining references a different scope within fire-support procedures.