Pentagon announce $1 billion F-16’s AESA radars order(Defence Blog) Pentagon announced that Northrop Grumman has been awarded a $1 billionU.S. Air Force contract modification for development and production of up to 372 Active Electronically Scanned Array (AESA) Fire Control Radars for F-16 fighter aircraft. The defense giant was originally selected by the Air Force for an F-16 radar upgrade in 2017, with the Pentagon dolling out $243.8 million for 72 radars, spare parts and support services.