
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.
Lappeenranta International Airshow 2005 (Part 3)
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Boeing KC-135 Stratotankers, Castle AFB, 1992 - 1993
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TURKISH AIR FORCE KC-135R STRATOTANKER
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Boeing 707/720 Slideshow
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KC-135 Refueler
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916 ARW - KC-135 3509 over USA
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KC-135 refueling a C-17 From Charleston AFB
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6 AMXS KC-135 Refueling C-17
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KC-135 Low Level
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KC-135 tanker flight
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