Kerry, Hagel and Joint Chiefs Chairman will appear before Senate.

The U.S. found itself with France as its only major partner in a potential strike against Syria, after a rejection of military force in Parliament forced Britain, America's staunchest ally, to pull out of any operation.

U.S. Defense Secretary Chuck Hagel said the Obama administration was consulting with allies to "further develop the facts" about last week's alleged chemical weapons attack in Syria.

The U.S. Navy has four destroyers positioned within range of targets inside Syria.

Gen. Chang Wanquan is at the Pentagon for a series of meetings with Hagel.

The alliance is still refusing to make any contingency plans for operations in the embattled country

A U.S. official says the Pentagon has decided to buy a new computerized health records system that will allow the department to better share data.

Air Force disciplines 17 launch officers at nuclear base in North Dakota over an "attitude problem."

Assessment on chemical weapons announced publicly by a senior official of military intelligence office.

Latest stop on U.S. defense secretary's Middle East tour intended to bolster ties with the military in a shaky Islamic republic.