the HIMARS Marines with MRF-D conducted multiple fire missions, shot two GMLRS rounds, and enjoyed training in the heat of Australia’s Northern Territory dry-season.
The ABC understands plans for a new commercial port facility were still being discussed.
A draft defence bill tabled in the US Senate last month outlines that more than $300 million has been allocated for naval construction in Darwin, the ABC has reported.
The Australian Defence Department reportedly told the ABC that the proposed funding still has to be approved by Congress, but insists that any military projects are negotiated and agreed to by both governments.
Last month Defence and NT Chief Minister Michael Gunner rejected claims a top secret naval port is in the works at Glyde Point, north of Darwin, which could eventually help US Marines operate more readily in the Indo-Pacific.
The draft US legislation also outlines several other proposed spending projects in the Northern Territory including $US50 million for a "new airport parking apron for the Navy", and $US70.6 million for the Air Force at Tindall.
He said the base was clearly of benefit to Australia and the US and in response to the growing influence of China in the region. “That has to come at a price,” he said. “You can’t just come in and expect me to welcome you, and face all the social problems, while your people are safe in Australia and America. “If there is a war we are the first ones to face the missiles and you will be safe in your country.”