One of the conditions in the contract the company (Willys-Overland)  that made "jeeps" had with the goverment was that the jeeps they made, would never come back into the United States. If they did, then people wouldn't buy new ones from the company after the war.   So they were destroyed.

Master Sargent E. E. (Bud) Crager takes another jeep to be dumped in the sea.