CONSTANTA , Romania, June 5 (UPI) -- U.S. Secretary of Defense Chuck Hagel, aboard a warship in the Black Sea off the Romanian coast Thursday, reinforced a U.S. commitment to protect NATO's Eastern European allies.
On the USS Vella Gulf -- a ship equipped with an Aegis missile defense system and patrolling the Black Sea since mid-March -- Hagel said, "We will sustain this tempo going forward."