The team had hiked two miles from their base camp into the forest to cut fire lines.

NPR: Ex-Firefighter Relives Yellowstone's 'Black Saturday'

Pte Wood and Pte Hutchinson, both of the Royal Logistic Corps, were killed in a fire at Camp Bastion - the main British military base in Afghanistan.

BBC: Five soldiers' bodies flown into RAF Lyneham

In September, a twin-engine, two-seat AH-1W Cobra helicopter went down during training in a remote area of Camp Pendleton, killing two Marine pilots and igniting a brush fire that burned about 120 acres at the base north of San Diego.

WSJ: Seven Marines Die as Helicopters Collide