Northrop Grumman has been awarded a $12.3m US Navy contract for the ALQ-213 Electronic Warfare Management System (EWMS) for the P-8A maritime patrol aircraft. This includes 38 ALQ-213 tactical threat displays, with 27 going to the US Navy, three to the UK and eight to Australia. There will be roughly similar allocations for ALQ-213 early warning management units, OMNI blade antennas, tactical data units and tactical data cartridges.