A hydro-mechanical fuel control system delivers fuel to the engine.
A few had begun delivering fuel at domestic ports.
Shuttling among bases, Kennedy delivered ammunition, fuel, water and food.
The giant new offshore natural gas field has delivered less fuel than projected.
They are also used to transport supplies, evacuate wounded troops and deliver fuel to ground bases.
His soldiers have been forced to cut back on security patrols in order to deliver fuel.
An 18-inch diameter pipe runs around the perimeter of one floor and delivers fuel to each engine.
An air pump is used to deliver fuel under pressure to the gas generator.
In total, there were more than 277,000 flights to deliver food, fuel and medicine.
Last year, domestic production decreased, but the oil companies delivered 2.8 percent more fuel to their customers.