2nd Battalion, 23d Marine Regiment

U.S. Marines with 2nd Battalion, 23rd Marine Regiment, 4th Marine Division, stand with colors in Pasadena, Calif., March 14, 2026. During the ceremony, Lt. Col. Davis B. Gooding III relinquished command of the battalion to Lt. Col. Michael P. Smith. The ceremony signified the transfer of accountability, responsibility and authority to new leadership and the continuity of command. (U.S. Marine Corps photo by Lance Cpl. Adrian Estrada)

U.S. Marine Corps Col. Aaron M. Awtry, left, commanding officer of 23rd Marine Regiment, gives award to Lt. Col. Davis B. Gooding III, right, outgoing commanding officer of 2nd Bn., 23rd Marine Regiment, 4th MARDIV, during a change of command ceremony in Pasadena, Calif., March 14, 2026. During the ceremony, Gooding III relinquished command of the battalion to Smith. The ceremony signified the transfer of accountability, responsibility and authority to new leadership and the continuity of command. (U.S. Marine Corps photo by Lance Cpl. Adrian Estrada)

U.S. Navy Petty Officer 2nd Class Daniel Franco Colon, left, a hospital corpsman with 2nd Battalion, 23rd Marine Regiment, forward deployed with 4th Marines, 3rd Marine Division as part of the Unit Deployment Program, stands at attention while Lt. Gen. Roger Turner, commanding general of III Marine Expeditionary Force, presents him with the Navy and Marine Corps Achievement Medal during Korean Marine Exercise Program 25.2 in Camp Mujuk, South Korea, Aug. 7, 2025. KMEP is conducted regularly between the Republic of Korea and U.S. Marine Corps to increase their combined capabilities through realistic training geared towards deterrence and maintaining peace in the Indo-Pacific. Franco Colon is a native of Florida, and Turner is a native of Maryland. (U.S. Marine Corps photo by Cpl. Peter J. Eilen)

U.S. Marines with 2nd Battalion, 23rd Marines, forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, conduct the Korean Marine Exercise Program 25.2 in Pohang, South Korea, Aug. 9, 2025. KMEP is conducted regularly between the ROK and U.S. Marine Corps to increase their combined capabilities through realistic training geared towards deterrence and maintaining peace in the Indo-Pacific. (U.S. Marine Corps video by Cpl. Kanoa Thomas) By License - This video contains audio from a USMC enterprise licensed asset from Adobe Stock: "Cinematic Psychedelic Rock" by Audio Earth / https://stock.adobe.com/

U.S. Marines with 2nd Battalion 2nd Battalion, 23rd Marines, forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, and Republic of Korea Marines with the 1st Marine Division, ROK Marine Corps, cheer on their teams during an end of exercise celebration competition as part of the Korean Marine Exercise Program 25.2 in Pohang, South Korea, Aug. 9, 2025. KMEP is conducted regularly between the ROK and U.S. Marine Corps to increase their combined capabilities through realistic training geared towards deterrence and maintaining peace in the Indo-Pacific. (U.S. Marine Corps photo by Cpl. Kanoa Thomas)

A U.S. Marine with 2nd Battalion, 23rd Marines, forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, conducts a live fire range during a patrol during Korea Viper 25.4 at Camp Rodriguez, South Korea, May 22, 2025. Korea Viper is a recurring exercise series that demonstrates the Republic of Korea and U.S. Marine Corps' ability to respond decisively in the region as a singular, unified force while strengthening relationships and trust between the two allies. (U.S. Marine Corps photo by Lance Cpl. Tucker Mocan)

U.S. Marines with 2nd Battalion, 23rd Marines, forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, fire an M252 81 mm mortar during Korea Viper 25.4 at Camp Rodriguez, South Korea, May 23, 2025. Korea Viper is a recurring exercise series that demonstrates the Republic of Korea and U.S. Marine Corps' ability to respond decisively in the region as a singular, unified force while strengthening relationships and trust between the two allies. (U.S. Marine Corps photo by Lance Cpl. Tucker Mocan)

U.S. Marines with 2nd Battalion, 23rd Marines, forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, employ an M252 81 mm mortar during Korea Viper 25.4 at Camp Rodriguez, South Korea, May 23, 2025. Korea Viper is a recurring exercise series that demonstrates the Republic of Korea and U.S. Marine Corps' ability to respond decisively in the region as a singular, unified force while strengthening relationships and trust between the two allies. (U.S. Marine Corps photo by Lance Cpl. Tucker Mocan)

U.S. Marine Corps Lance Cpl. Fernando Valenzuela, left, and Cpl. Tristan Saghin, both infantry rifleman with 2nd Battalion, 23rd Marines forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, conduct room clearings as a part of military operations in urban terrain training during Korea Viper 25.4 at Pohang, South Korea, May 10, 2025. Korea Viper is a recurring exercise series that demonstrates the Republic of Korea and U.S. Marine Corps' ability to respond decisively in the region as a singular, unified force while strengthening relationships and trust between the two allies. Valenzuela is a native of Nevada. Saghin is a native of Nevada. (U.S. Marine Corps photo by Lance Cpl. Tucker Mocan)