October 8, 2021 - U.S. Marines with 1st Battalion, 10th Marines in support
of 3d Marines fire a M777 A2 Howitzer as part of the Regimental Air
Assault Course during Service Level Training Exercise 1-22 (SLT1-22) at
Marine Corps Air Ground Combat Center Twentynine Palms, California.
1st Battalion, 10th Marines
provided indirect fire support for maneuver units throughout
the battlespace, enabling 3d Marines to successfully conduct
offensive and defensive operations.