"The Chinook is a multi-mission, heavy-lift transport helicopter. Its primary mission is to move troops, artillery, ammunition, fuel, water, barrier materials, supplies and equipment on the battlefield. Its secondary missions include medical evacuation, disaster relief, search and rescue, aircraft recovery, fire fighting, parachute drops, heavy construction and civil development." Chinook in flight carrying cargo (Neg#: DVD-1100-2)
Dropping low enough in the water to allow a zodiac with a platoon to drive it right into the cargo bay.....trick is being able to judge how much water you have onboard....too much and you are staying there.