The Navy will expand its Guam-based submarine operations in an effort to increase the reach and warfighting capacity of its undersea force, Pacific Fleet's Submarine Force commander said Wednesday. Speaking at the Naval Submarine League Symposium, Rear Adm. Jeffery Jablon said the service now has five fast-attack submarines stationed in Guam and will spend the next five to 10 years improving the island’s maintenance and training capabilities. These efforts will be important to maintaining an asymmetric advantage in the Indo-Pacific...