This large mine-sweeping helicopter is in service with various special units of the U S Navy & the Japanese self-defence forces The Sea Dragon is a three-engine version of the twin-engine CH-53 which saw service first during the sixties & was widely used by the Marines & in special rescue versions by the U S Air Force Thanks to the outstanding power of its engines this helicopter has ample capacity to carry the heavy minesweeping systems which are mounted on a special hydrofoil that is dropped in to the sea to detect mines Size 32 5cm Scale 1 72