" The three drones are outside the ship; Louie's leg gets stuck and he is ultimately blown away from the ship due to the turbulence of the rings. Huey is badly damaged in an accident when Lowell runs into it with one of the ships buggies . After almost a year alone in space, the radio again begins chattering - "Valley Forge, this is Berkshire. " Lowell realizes that his crime is soon to be discovered by a rescue spacecraft, and not only will he face imprisonment or worse, the dome will be destroyed after all. Lowell chooses to leave Dewey in charge of the last dome, jettison it to safety, and destroy himself and the "Valley Forge" with the last of the onboard nuclear weapons. The final, ostensibly poignant scene is of the forest greenhouse tended by the sole remaining robot, with a battered watering can. Trivia Trumbull had been involved with creating effects for Saturn for "2001" and these were recycled for "Silent Running". America Race Walking Athletes The cult show "Mystery Science Theater 3000" began as a spoof of Silent Running. The interiors were filmed aboard the decommissioned aircraft carrier USS Valley Forge (CV-45). "