Humvees are stored inside the Frigaard Cave in central Norway. The cave is one of six caves that are part of the Marine Corps Prepositioning Program-Norway, which supports the equipping of Marine Expeditionary Brigade consisting of 15,000 Marines and with supplies for up to 30 days. (U.S. Marine Corps photo by Lance Cpl. Marcin Platek)::r::::n::::r::::n::::r::::n:: - Humvees are stored inside the Frigaard Cave in central Norway. The cave is one of six caves that are part of the Marine Corps Prepositioning Program-Norway, which supports the equipping of Marine Expeditionary Brigade consisting of 15,000 Marines and with supplies for up to 30 days. (U.S. Marine Corps photo by Lance Cpl. Marcin Platek)::r::::n::::r::::n::::r::::n::