At each end of the enormous truck is a 1,250-gallon-per-minute pump that blasts water up to a rotating turret that’s fitted with a cannon to direct water to whatever plane is on fire that day.

NOPD said that after lifting the box truck out of the water, divers discovered that another vehicle was not in the water.

The move came at the request of the Delray Beach Police Department, which had led the investigation into the Dec. 28 wreck ...