The warship Carney has wrapped up its unprecedented cruise in the Middle East, where it battled Iran-backed Houthi rebel barrages on a near-daily basis.
"Against All Enemies" explores the link between veterans and violent extremist groups, and what their participation could mean for the future of democracy.
The Navy destroyer Mason shot down an anti-ship ballistic missile over the Gulf of Aden that officials said was likely aimed at a U.S. commercial ship.
Three-quarters of veterans interviewed by RAND Corp. who expressed extremist ideologies said they had negative experiences during their military service.