Deputy Defense Secretary Bob Work, left, tours the P-8 specific final installation bay and the P-8 in Renton, Wash., April 7, 2016. The P-8A Poseidon aircraft, derived from the next-generation 737-800, is designed for long-range anti-submarine warfare, anti-surface warfare and intelligence, surveillance and reconnaissance missions. DoD photo by Army Sgt. 1st Class Clydell Kinchen