 A US Marine Corps AH-1Z Viper Helicopter, assigned to Marine Light Attack Helicopter Squadron. Marine Aircraft Group 39, 3rd Marine Aircraft Wing, fires an AGM-179 Joint Air-to-Ground Missile, during Exercise Steel Knight 23.2. Over the Pacific Ocean, December 5, 2023. The Joint Air-to-Ground Missile is a precision guided munition that provides improved lethality and operational flexibility for use against high-value stationary, moving, and relocatable land and maritime targets. Steel Knight is a three-phase exercise, designed to train first Marine Expeditionary Force in the planning, deployment, and command and control of a joint force against a peer or near-peer adversary combat force, and enhance existing live fire and maneuver capabilities of the Marine Air Ground Task Force.