The U.S. says it will continue conducting "freedom of navigation patrols" by ships and aircraft to assure unimpeded passage through the region.
A new Chinese missile designed to destroy an aircraft carrier from 900 miles away may demand a change in U.S. military strategy.
The move has the potential to damage both countries' relations with China.
Cuba has kept our missing missile and sent a spy to our security conference.
Western and Asian experts have said that launch was part of an effort to build an intercontinental ballistic missile.
The official cited signs of possible preparations for a missile launch based on analysis of satellite imagery.
In light of Russia's desire to use its nuclear leverage, the U.S. should build a system to shoot down all ballistic missiles.
Sanctions monitors said Tehran had violated a U.N. Security Council resolution by test-firing a missile.
Missile could pose a new threat to South Korea, Japan and the United States, a military expert said.
Drills will include simulated anti-air and anti-submarine warfare exercises, basic ship handling maneuvers and simulated attacks.
Russia has been carrying out frequent tests and drills of its nuclear capabilities since pulling out of an inspection agreement with the U.S.
Hezbollah militants fired a missile at an Israeli army vehicle in the biggest escalation since the 2006 war.
The three countries are said to have an agreement in the works to counter nuclear and missile threats, to be signed Monday.
The State Department outlines the evidence for asserting Russia is to blame for the shooting down of Malaysian jet