Watch Project Blue Book – Season 2 Episode 10: Operation Mainbrace
Cast: Michael Malarkey , Neal McDonough , Aidan Gillen , Laura Mennell , Ksenia Solo , Michael Harney
Directors: David O'Leary
Watch Project Blue Book – S2E10
Episode Overview
Strange interlopers in the sky and sea, and the actions of a rogue admiral, threaten to turn a naval exercise into World War III. It's up to Hynek and Quinn to stop the rogue admiral.
