Stand-in Force Exercise


U.S. Marines with 1st Battalion, 2nd Marines carry out platoon attacks during Stand-in Force Exercise on Okinawa, Japan, Dec. 11, 2022.

SiF-EX is a Division-level exercise involving all elements of the Marine Air-Ground Task Force focused on strengthening multi-domain awareness, maneuver, and fires across a distributed maritime environment.

This exercise serves as a rehearsal for rapidly projecting combat power in defense of allies and partners in the region.


Video by Sgt. Mario Ramirez

3rd Marine Division