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National Security

After an internal review of how foreign military students are screened, the U.S. Department of Defense says it will implement new security measures for prospective cadets. Josh Brasted/Getty Images hide caption

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Josh Brasted/Getty Images

FBI headquarters in Washington. The bureau is changing its policy on election security notifications to prepare for the 2020 presidential race. J. David Ake/AP hide caption

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J. David Ake/AP

Sen. Chris Van Hollen asked the Government Accountability Office to assess whether President Trump's actions last year had broken a law on handling appropriated funds. Matt Rourke/AP hide caption

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Matt Rourke/AP

Michael Flynn, President Trump's former national security adviser, leaves federal court following a status conference with U.S. District Judge Emmet Sullivan in Washington in September. Manuel Balce Ceneta/AP hide caption

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Manuel Balce Ceneta/AP

Sen. Tim Kaine, D-Va., a member of the Senate Armed Services Committee and the Foreign Relations Committee, has introduced a resolution forcing President Trump to seek congressional consent before taking new military action against Iran. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Capt. Geoffrey Hansen and his men were flying drones after the missiles launched. He was knocked off his feet by the blast. "We didn't know what was coming," he says. "We just knew something was coming so we figured as many eyes as we could get in the sky, we would do that and see if we could stop whatever it was before it came to the base — I didn't expect it to be a missile." Alexander Tahaov for NPR hide caption

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Alexander Tahaov for NPR

Defense Secretary Mark told NPR on Monday that the U.S. has the constitutional authority to strike Iranian proxies in Iraq and Iran on its home soil in retaliation for attacks on American forces. Jacquelyn Martin/AP hide caption

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Jacquelyn Martin/AP

The Rev. Randolph Hollerith, dean of the Washington National Cathedral (from left); the Rt. Rev. Carl Wright, the Episcopal Church's bishop suffragan for the armed forces; and Maj. Gen. Steven Schaick, the Air Force chief of chaplains, participate in the blessing of a Bible for swearing in U.S. Space Force officials. Danielle E. Thomas/Washington National Cathedral hide caption

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Danielle E. Thomas/Washington National Cathedral

Attorney General William Barr announced an update in the investigation of the deadly shooting last month at a naval base in Pensacola, Fla. He said Monday: "This was an act of terrorism." Jacquelyn Martin/AP hide caption

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Jacquelyn Martin/AP

Afghan Army commandos attend their graduation ceremony after a 3 1/2-month training program, at the Commando Training Center on the outskirts of Kabul, Afghanistan, on Monday. Rahmat Gul/AP hide caption

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Rahmat Gul/AP

An Air Force team moves a transfer case containing the remains of one of the young sailors killed after a Saudi military student opened fire at Naval Air Station Pensacola last month. Officials are expected to soon announce that about 20 Saudi military students will be expelled from the U.S. Cliff Owen/AP hide caption

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Cliff Owen/AP

U.S. Officials: More Than 20 Saudi Students To Be Expelled In Wake Of Fla. Shooting

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Federal Bureau of Investigation Director Christopher Wray testifies before the Senate Appropriations Committee on the bureau's 2020 budget in the Dirksen Senate Office Building on Capitol Hill May 7, 2019 in Washington, D.C. Chip Somodevilla/Getty Images hide caption

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Chip Somodevilla/Getty Images

Rescue crews work at the crash site of a Ukrainian airliner that went down shortly after takeoff from Tehran's Imam Khomeini International Airport on Wednesday, killing all 176 people onboard. Mazyar Asadi/Pacific Press/LightRocket via Getty hide caption

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Mazyar Asadi/Pacific Press/LightRocket via Getty

A Border Patrol agent and a U.S. Customs and Border Protection agent oversee the people waiting to cross into the U.S. from Matamoros, Mexico, at the Port of Entry in Brownsville, Tex., Tuesday, last month. Veronica G. Cardenas/AP hide caption

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Veronica G. Cardenas/AP