Steel Knight is an annual combined-arms live-fire exercise led by the 1st Marine Division involving the major subordinate commands, I Marine Expeditionary Force, and the U.S. Navy's Expeditionary Strike Group 3. Steel Knight ensures 1st MARDIV and I MEF are optimized for naval expeditionary warfare in contested spaces and is purpose-built to facilitate future operations afloat and ashore.
U.S. Marines with I Marine Expeditionary Force, to include 1st Marine Division, 1st Marine Logistics Group, 3rd Marine Aircraft Wing will train alongside U.S. Sailors with Expeditionary Strike Group 3 in exercise Steel Knight 2023 throughout southern California from Nov. 28 – Dec. 16.