RADM Train assumed duty as the Director for Intelligence, Joint Staff, in August 2011. As the J2, she advises the Chairman, Joint Chiefs of Staff on intelliegence matters and is the national level focal point for intelligence support to DoD crisis operations and indications and warning intelligence within DoD.

In Train's previous flag assignment, she served as Director for Intelligence, U.S. Pacific Command.

Ashore, Train served as Commander, Navy Marine Corps Intelligence Training Center. Train's operational assignments include duty as deputy assistant chief of staff for Intelligence, Carrier Group FOUR; assistant chief of staff for Intelligence, Amphibious Group TWO; and director for operations, Joint Intelligence Task Force-Combating Terrorism