'With reinforced hulls, the Polar class of these specialized vessels are the Coast Guard's biggest cutters'
icebreakers
UNUSUAL TRANSPORTATION: With reinforced hulls, the Polar class of these specialized vessels are the Coast Guards biggest cutters
With reinforced hulls, the Polar class of these specialized vessels are the Coast Guard's biggest cutters
With reinforced hulls, the Polar class of these specialized vessels are the Coast Guard's biggest cutters
UNUSUAL TRANSPORTATION
icebreakers
UNUSUAL TRANSPORTATION