
The KC-135's primary function is aerial refueling, it uses a flying boom to transfer the fuel. A drogue can be attached to the boom, to refuel aircraft fitted with probes.
Besides being a refueler, the aicraft can also transport cargo and passengers above its refueling system.
Of the 732 KC-135's, buid between 1957 and 1965, 530 are still in service, and have been upgraded serveral times with new wing surfaces and engines.
C-5 Galaxy air refueling with a KC-135 Stratotanker
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French KC-135 Stratotanker Low Pass
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USAF KC-135 Stratotanker Tanker Aircraft
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KC-135 Crazy Low Level Pass
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KC-135 Stratotanker arrives in Berlin
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Boeing KC-135 Stratotanker USAF
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USAF KC-135 stratotanker trying to land in windy approach
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Stratotanker "Soldiers"
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1956 KC-135 Makes Maiden Flight
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KC-135 Low Level
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