Question: What former naval base was captured by the son of Angus MacDonald? 
Sentence (from "Naval Base Kitsap"): The Mission of Naval Base Kitsap is to serve as the home base for the Navy’s fleet throughout West Puget Sound and to provide base operating services, including support for both surface ships and Fleet Ballistic Missile and other nuclear submarines having their home ports at Bremerton and Bangor.
Relevant evidence: No