The Air Force expects a gap period between the end of KC-46 tanker aircraft production and the delivery of the next-generation replacement and plans to close that gap by recapitalizing its current tanker fleet, a top service official told Congress yesterday. “Delivery of the first [Next-Generation Air refueling System] increment is expected in the mid-to-late 2030s. That will leave a gap period between the delivery of the final KC-46A under the current production contract and delivery of the first NGAS...