The Boeing Company (BA) recently secured a modification contract worth $251.4 million for the production of fan duct transactional spares for KC-135 aerial refueling tanker aircraft. The award has been offered by the Defense Logistics Agency Aviation, Tinker Air Force Base, OK. Significance of BA's KC-135 Boeing's KC-135 Stratotanker is an aerial refueling aircraft that provides core aerial refueling capability for the U.S. Air Force and has excelled in this role for more than 60 years. The KC-135 is also c ...