uss-edsall:During the “Plugged Barrel Roll” maneuver, a TA-4K Skyhawk refuels from the tank of another Skyhawk, between 1976-1981. The Plugged Barrel Roll was a risky maneuver where two planes would perform a barrel roll while refueling. 

uss-edsall:During the “Plugged Barrel Roll” maneuver, a TA-4K Skyhawk refuels from the tank of another Skyhawk, between 1976-1981. The Plugged Barrel Roll was a risky maneuver where two planes would perform a barrel roll while refueling. 

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from: https://www.tumblr.com/blog/view/markgoudief/163305231492