NATO's 28 members will meet Tuesday on Russia's incursion into Ukraine.
A senior Republican lawmaker said the day when U.S. surrenders its global influence and leaves a vacuum to be filled by Russia “is here.”
A Ukrainian official said Russian troops have threatened to storm and seize the vessels.
The Navy is taking steps to integrate enlisted females on submarines, beginning with a survey to every enlisted female in the Navy to gauge interest in serving on the ships.
"Military action is not an option, for obvious reasons," Mike Morell said.
A Marine Corps F/A-18C went down during a training flight.
The Pentagon will unveil its 2015 budget proposal this week, beginning a contentious fight with Capitol Hill over the military’s spending priorities.
The Afghan president expressed gratitude to the American people in an interview.
NATO said military action against Ukraine would amount to a breach of international law.
Hagel defended administration plans to downsize the military in its new budget proposal.