U.S. Marines with 1st Battalion, 12th Marines, 3d Marine Division, participate in the unit’s deactivation ceremony on Marine Corps Base Hawaii, May 26, 2023. The deactivation is in accordance with Force Design 2030’s modernization efforts. The battalion has played a valuable role in setting conditions for the 3d Marine Littoral Regiment, and future MLRs, to provide combat ready and lethal forces in the Indo-Pacific. 3d MLR and 12th Marines, which is scheduled to transition to an MLR in 2025, will provide ready and capable stand-in forces to the first island chain, bolstering the United States Indo-Pacific Command’s ability to support deterrence efforts and respond to potential crises with allies and partners. (U.S. Marine Corps photo by Sgt. Israel Chincio) - U.S. Marines with 1st Battalion, 12th Marines, 3d Marine Division, participate in the unit’s deactivation ceremony on Marine Corps Base Hawaii, May 26, 2023. The deactivation is in accordance with Force Design 2030’s modernization efforts. The battalion has played a valuable role in setting conditions for the 3d Marine Littoral Regiment, and future MLRs, to provide combat ready and lethal forces in the Indo-Pacific. 3d MLR and 12th Marines, which is scheduled to transition to an MLR in 2025, will provide ready and capable stand-in forces to the first island chain, bolstering the United States Indo-Pacific Command’s ability to support deterrence efforts and respond to potential crises with allies and partners. (U.S. Marine Corps photo by Sgt. Israel Chincio)

Smoke explodes out of the M777A2 lightweight 155 mm howitzer as Marines from Alpha Battery provide indirect fire to units engaged in the mechanized assault course Jan. 31 at Marine Air Ground Combat Center Twentynine Palms during Integrated Training Exercise 2-15. Artillery is used to provide suppressive, indirect fire to ground and air units on the battlefield. The Marines are with Alpha Battery, 1st Battalion, 12th Marine Regiment, currently assigned to 3rd Battalion, 12th Marines, 3rd Marine Division, III Marine Expeditionary Force as part of the ground combat element for Special Purpose Marine Air-Ground Task Force 4 for ITX 2-15. - Smoke explodes out of the M777A2 lightweight 155 mm howitzer as Marines from Alpha Battery provide indirect fire to units engaged in the mechanized assault course Jan. 31 at Marine Air Ground Combat Center Twentynine Palms during Integrated Training Exercise 2-15. Artillery is used to provide suppressive, indirect fire to ground and air units on the battlefield. The Marines are with Alpha Battery, 1st Battalion, 12th Marine Regiment, currently assigned to 3rd Battalion, 12th Marines, 3rd Marine Division, III Marine Expeditionary Force as part of the ground combat element for Special Purpose Marine Air-Ground Task Force 4 for ITX 2-15.