E-6B Mercury
NewsUSAF Tests Reach of KC-135s in 72-Hour Endurance Mission
During the endurance event, the two Stratotankers flew more than 36,000 miles, refueling B-2 Spirits, B-52 Stratofortresses, an E-3 Sentry and an E-6B Mercury.
Kimberly Johnson![](https://www.flyingmag.com/uploads/2022/10/7455311-scaled-e1665696494142.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
![](https://www.flyingmag.com/uploads/2022/09/Pilot-and-copilot_adobe-stock-rs.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
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