U.S. Marines with India Co., 3rd Battalion, 7th Marine Regiment, Ground Combat Element, Marine Rotational Force-Darwin 22, arrive at South Goulburn Island, Australia via U.S. Marine Corps MV-22 Ospreys with Marine Medium Tiltrotor Squadron 268 reinforced, Aviation Combat Element, MRF-D 22, Aug. 31, 2022. The Expeditionary Advanced Base Operations exercise was a force-on-force training that exercised the MRF-D’s ability to forward deploy and establish expeditionary advanced bases. - U.S. Marines with India Co., 3rd Battalion, 7th Marine Regiment, Ground Combat Element, Marine Rotational Force-Darwin 22, arrive at South Goulburn Island, Australia via U.S. Marine Corps MV-22 Ospreys with Marine Medium Tiltrotor Squadron 268 reinforced, Aviation Combat Element, MRF-D 22, Aug. 31, 2022. The Expeditionary Advanced Base Operations exercise was a force-on-force training that exercised the MRF-D’s ability to forward deploy and establish expeditionary advanced bases.