A US Marine has died in a training accident at the Mt Bundey Training area after suffering injuries in a tactical vehicle accident on Saturday.

Lance Corporal Hans Sandoval-Pereyra died yesterday after succumbing to injuries suffered in the incident which saw one other marine suffer minor injuries.

He was conducting routine training at the training facility when the incident occurred and was initially treated at the scene before being medically evacuated by helicopter to Royal Darwin Hospital.

Commanding Officer for Marine Rotational Force — Darwin Colonel Russ Boyce said efforts were unsuccessful in saving the Marine’s life who was a valued member of the Marine Corps.

“We are saddened by the loss of Lance Corporal. Sandoval-Pereyra. He was a beloved member of our community and our deepest sympathies go out to his family and friends,” he said.

“We are extremely grateful to our Australian partners for their valiant efforts to save this young Marine’s life.”

The second Marine has been released from Hospital.

A recent survey suggests U.S. Marines are being welcomed with open arms by residents of Australia’s Northern Territory.

There’s been a steady build-up of Marines in Darwin, Australia, since 2012.

On May 1, with the Marines’ rotational force poised to reach its target of 2,500 troops, the Australian government released a report showing that Darwin leaders and residents have a generally positive view of the U.S. military presence.

Auditing firm KPMG’s “US Force Posture Initiatives (USFPI) Social and Economic Impact Study” involved a telephone survey of 408 locals and meetings with 27 key representatives from business, government and the community.

It shows 51% of people there have positive feelings about the U.S. troops with only 6% responding negatively.

That’s a contrast with Okinawa, Japan, for example, where criminal behavior periodically works against the U.S. cause, as was the case on April 13, when a U.S. sailor apparently fatally stabbed a Japanese woman and then killed himself, according to Japan’s Foreign Ministry.

PRIME Minister Scott Morrison’s campaign caravan has rolled into Darwin for the first time this election.

Mr Morrison will spend today spruiking the Coalition’s defence package, which will include the introduction of a “Local Industry Capability Plan” requirement for all significant Defence infrastructure projects.

Under the plan, all tenderers for defence infrastructure construction jobs valued at more than $7.5 million will need to show how they will engage local businesses in the project.

While in Darwin, Mr Morrison is expected to visit the newly-arrived Marine contingent and announce the rotation will reach its full strength by July.

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The eighth Marine rotation to Darwin will see 2500 American soldiers posted in the Top End, up from 1700 now

A new contingent of US Marines are headed to Darwin in the eighth rotation of American troops training down under.

The ramp-up from 1700 Marines expected to arrive this year to 2500 will be the first time US troop numbers reach the full planned complement.

The Morrison government says the increased US military presence was the result of Australia's strong alliance and friendship with the US.

This year, the Marines will participate in multiple training activities with Australian troops, including a new humanitarian assistance and disaster response segment.

Aircraft deploying to Australia’s Northern Territory include 10 MV-22 Osprey tiltrotors, four AH-1Z Vipers and three UH-1Y Venom helicopters, a Marine spokesman said.

Aircraft deploying for the rotation include 10 MV-22 Osprey tiltrotors, four AH-1Z Vipers and three UH-1Y Venom helicopters, Marine spokesman 1st Lt. Colin Kennard said in an email.

The aircraft represent “the most capable Aviation Combat Element” sent to Darwin since the rotational deployments began in 2011, he said.

“These aircraft increase the training value for MRF-D activities and increase our ability to respond to contingencies within the Indo-Pacific region,” he said.

To facilitate operations for the U.S.A. helicopters, temporary airfield matting has been installed at RAAF base Darwin.