Firefighters continue to battle Hawaii Island’s largest fire

A waterdrop is conducted by Warriors of the U.S. Army's 25th Combat Aviation Brigade on flames leading the 40,000-acre blaze in South Kohala. (Photos courtesy 25th Combat Aviation Brigade/Special to West Hawaii Today)

Blackhawk helicopters from the U.S. Army's 25th Combat Aviation Brigade lift off headed to work to battle the 40,000-acre blaze. (Photos courtesy 25th Combat Aviation Brigade/Special to West Hawaii Today)

The Warriors of the U.S. Army's 25th Combat Aviation Brigade, work to battle the 40,000-acre blaze. (Photos courtesy 25th Combat Aviation Brigade/Special to West Hawaii Today)

Firefighters "troop the line" during a backburn Sunday night into Monday morning at the top of Waikoloa Road as crews worked to get the upperhand on Hawaii Island's largest wildland fire in history. (U.S. Army Garrison Pohakuloa Training Area/Special to West Hawaii Today)

Firefighters appear to have gotten the upper hand on a more than 40,000-acre wildland fire in South Kohala deemed the largest in Hawaii Island history.