US Navy SEALs fast-rope onto a ship's deck from a US Army MH-47 Chinook helicopter operated by the 160th SOAR.
SEALs are frequent 'customers' of the elite US Army aviation unit, carrying out numerous operations with them.
Navy SEALs are a Naval Special Warfare (NSW) unit that carry out direct action, special reconnaissance, VBSS and counter terrorism operations at sea and on land.
SEALs are experts at deploying from boats, vehicles and helicopters.