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Published on Nov 9, 2008
The new hybrid Kovatch R-11 that is being tested at Shaw AFB, SC and this one being operated by SrA David Harris.
From www.shaw.af.mil: "Currently in its second year of evaluation, the Air Force hybrid refueler uses the same pumping system as the other 17 refueling trucks on the flight line, however its extra battery helps conserve both energy and money."