President Obama announced new economic sanctions against Russia at the White House on Tuesday. Manuel Balce Ceneta/AP hide caption
National Security National Security
National Security
Thursday
An Israeli Merkava tank near the Hamas-controlled Gaza Strip border in southern Israel, on Thursday. The Pentagon confirms that Israel tapped a U.S. weapons stockpile for tank rounds. Debbie Hill/UPI/Landov hide caption
Texas Parks and Wildlife wardens patrol the Rio Grande on the U.S.-Mexico border in Mission, Texas, earlier this month. Eric Gay/AP hide caption
Getting a pizza delivered to a remote nuclear missle base is tricky. Unfortunately, the Air Force won't let you use its helicopters. Dan Gage/USAF hide caption
Wednesday
A Minuteman III intercontinental ballistic missile can hit almost any target on earth ... but only if it flies through Russian airspace. This unarmed test version was launched from Vandenberg Air Force Base in California. V.A. Mouzon/Tech Sgt. Vincent Mouzon/U.S. Air Force hide caption
Tuesday
Lt. Raj Bansal and Capt. Joseph Shannon (right) approach Foxtrot-01, a remote nuclear missile base in Nebraska. Geoffrey Brumfiel/NPR hide caption
Monday
First Lt. Patrick Romanofski (center) and 2nd Lt. Andrew Beckner (left) practice the launch of nuclear weapons. Promotions are now more strongly influenced by hands-on performance in this simulator. R.J. Oriez/U.S. Air Force hide caption
Sunday
An image released by the U.S. State Department shows what it says is evidence of Russia firing artillery into eastern Ukraine. U.S. State Department hide caption
The entrance of the compounds of the U.S. embassy is pictured in Tripoli on Saturday. Fighting continues to rage after the U.S. evacuated the diplomatic facility. Hani Amara/Reuters/Landov hide caption
Saturday
In a photo taken on Thursday, smoke rises from a residential area in Tripoli, Libya. Deadly clashes erupted between Islamist fighters and pro-secular militias earlier this month. Hamza Turkia/Xinhua/Landov hide caption
Thursday
Thousands of young immigrants, many of them from Central America, have crossed illegally into the United States this year, causing an unprecedented humanitarian crisis on the U.S.-Mexico border. John Moore/Getty Images hide caption
Amid Wave Of Child Immigrants, Reports Of Abuse By Border Patrol
The city of Davenport, Iowa, is home to about 100,000 people. The city's mayor, Bill Gluba, wants the city to shelter some of the unaccompanied minors who have crossed the southern border of the U.S., but some members of the City Council oppose his efforts. scmcgee/Flickr hide caption
Iowa Mayor Calls For 'Caring Cities' To Take In Young Immigrants
Wednesday
Director of National Intelligence James Clapper (center), accompanied by FBI Director Robert Mueller (left) and CIA Director John Brennan, testifies on Capitol Hill on March 12, 2013. When questioned, Clapper said the NSA did not collect data on Americans. He later acknowledged his response was "clearly erroneous." Susan Walsh/AP hide caption