U.S. Navy Lt. Tyler Renn, a Madison, Alaska native and naval integration officer with 2d Marine Division reviews documents for a Joint Task Force Exercise (JTFEX) on Camp Lejeune, North Carolina, September 13, 2023. 2d MARDIV Headquarters Battalion held the JTFEX to promote mission readiness and support for future deployments. - U.S. Navy Lt. Tyler Renn, a Madison, Alaska native and naval integration officer with 2d Marine Division reviews documents for a Joint Task Force Exercise (JTFEX) on Camp Lejeune, North Carolina, September 13, 2023. 2d MARDIV Headquarters Battalion held the JTFEX to promote mission readiness and support for future deployments.