sentences:  However, all the supplies of fuel, bombs, and spares needed to support the forward bases in China had to be flown in from India over "The Hump" (the name given by Allied pilots to the eastern end of the Himalayan Mountains), since Japanese control of the seas around the Chinese coast made seaborne supply of China impossible.Many of the supplies had to be delivered to China by the B-29s themselves.For this role, they were stripped of nearly all combat equipment and used as flying tankers and each carried seven tons of fuel.