Boeing will provide Naval Air Systems Command with Increment 3 retrofit A-kits for 10 P-8A Poseidon surveillance and maritime patrol aircraft, Military & Aerospace Electronics reports. The kits will come under a $102.7 million order announced on January 17. The increment 3 retrofit is focused on network-ready open-systems electronics architecture and network-enabled weapons, allowing the Poseidon to carry communications upgrades as well as the Harpoon Block II+ anti-ship missile and Link 16 datalink. Boeing has been developing and testing the increment 3 upgrade kits since it won a $71.6 million order in 2016.