1968 Navy Pumper Facts International Harvester Navy Pumper Basics The Navy used the 750 GPM pumper to fight structural fires. Crew and Equipment Crew: 2 Firefighters Equipment: 300 gallons of water Handlines with 1.5-inch nozzles Roles Structural firefighting History of Goodfellow's 1968 Navy Pumper On exhibit at Goodfellow since restoration in 2003, the vehicle is part of the historic firefighting vehicles on display at Goodfellow Air Force Base.