Motor Trend Reviews Calif. Airport Crash Truck On this episode of Dirt Every Day, Fred Williams heads to Fort Hunter Liggett to meet up with fireman Ken Hanna. Ken's ride is a 2011 Oshkosh Striker 3000 military fire truck, used primarily to put out aircraft fires. Fred rides along to see how the water cannon works and even does a 0-60 run before watching this giant rescue vehicle do what it was built for - driving off-road!