LONDON--Defense and security firm Cobham PLC (COB.LN) said Thursday it has been selected by Boeing Co (BA) to provide On-Board Inert Gas Generating System, or OBIGGS, equipment for use on the U.S. Air Force's new KC-46A Tanker Aircraft. MAIN FACTS: -Engineering Manufacturing Development phase started January with low-rate and full-rate production through 2028. -U.S. Air Force plans to initially acquire 179 KC-46A tanker aircraft from Boeing, each of which will carry Cobham-supplied OBIGGS equipment. Work will take place at Cobham Life Support's centre of excellence in Davenport, Iowa. -No financial details disclosed. -Shares closed Wednesday at 235 pence valuing the company at 2.54 billion pounds. -Write to Ian Walker at ian.walker@dowjones.com Subscribe to WSJ: http://online.wsj.com?mod=djnwires