On 16 November 2011, the Australian prime minister,
Julia Gillard, and U.S. president
Barack Obama announced that starting in 2012 U.S. Marines would deploy to Darwin on a rotational basis for about six months to conduct exercises and train with the
Australian Defence Force in the Northern Territory. The first rotation of about 200 US Marines deployed to Australia in April 2012. On 14 June 2013, the prime minister announced that in 2014 the size of the deployment would increase to 1,150 U.S. Marines, to be based at Robertson Barracks. During the 2023 rotation, MRF-D suffered a tragedy when one of their
MV-22 Osprey helicopters crashed during a training event, resulting in the loss of three Marines. , it was reported that up to 2,500 Marines had been stationed at Darwin each year. ==Activities==