"More than 150 UK personnel have joined troops from 13 other nations for Exercise Talisman Sabre, which took place across Australia and in adjacent waters, to advance a free and open Indo-Pacific.
The ministry added that over 34,000 troops participated in the exercise, which involved forces from Australia, Canada, Fiji, France, Germany, Indonesia, Japan, New Zealand, Papua New Guinea, South Korea, Tonga, the UK and the US.
This year's exercise also marked the largest contribution of the UK to Talisman Sabre, the ministry said.