Military and defense

Former White House advisor on Russia, Fiona Hill, leaves Capitol Hill in Washington, Monday, Oct. 14, 2019, after testifying before congressional lawmakers as part of the House impeachment inquiry into President Donald Trump. (AP Photo/Manuel Balce Ceneta)

A Turkish youth celebrates with a national flag after news about Syrian town of Tal Abyad, in Turkish border town of Akcakale, in Sanliurfa province, Sunday, Oct. 13, 2019. Turkey's official Anadolu news agency, meanwhile, said Turkey-backed Syrian forces have advanced into the center of a Syrian border town, Tal Abyad, on the fifth day of Turkey's military offensive. (Ismail Coskun/IHA via AP)

Anti-government demonstrators man a barricade during clashes with the police, near the national assembly building in Quito, Ecuador, Saturday, Oct. 12, 2019. Indigenous leaders of protests that have paralyzed Ecuador’s economy for nearly a week say they are willing to negotiate with President Lenin Moreno, signaling a possible exit from the crisis, which was triggered by the cancellation of fuel subsidies by Moreno. (AP Photo/Dolores Ochoa)

FILE - In this Aug. 28, 2019, file photo, Secretary of Defense Mark Esper speaks to reporters during a briefing at the Pentagon. Esper says the "impulsive" decision by Turkey to invade northern Syria will further destabilize a region already caught up in civil war. Esper says the invasion puts America's Syrian Kurdish partners "in harm's way," but insists the Kurds are not being abandoned. (AP Photo/Manuel Balce Ceneta, File)

CORRECTS POSITION - People watch a televised debate between presidential candidates Kais Saied, left, and Nabil Karoui, on the last day of campaigning before the second round of the presidential elections, in Tunis, Tunisia, Friday, Oct. 11, 2019. (AP Photo/Mosa'ab Elshamy)

FILE - In this Sept. 25, 2019, file photo, a White House-released memorandum of President Donald Trump's July 25, 2019, telephone conversation with Ukraine's newly elected president Volodymyr Zelenskiy, released Sept. 25, 2019. There were dozens of ears listening to President Donald Trump’s 30-minute phone call with the leader of Ukraine that is at the center of a House impeachment inquiry, and as many eyes that saw what he said.(AP Photo/Wayne Partlow, File)

In this photo taken from the Turkish side of the border between Turkey and Syria, in Akcakale, Sanliurfa province, southeastern Turkey, the town of Tel Abyad can be seen inside Syria, Saturday, Oct. 12, 2019. (AP Photo/Lefteris Pitarakis)

FILE - In this Sept. 20, 2019, file photo, Acting Secretary of Homeland Security Kevin McAleenan speaks during a news conference at the U.S. Customs and Border Protection headquarters in Washington. President Donald Trump announced Oct. 11, 2019. that McAleenan is stepping down. (AP Photo/Pablo Martinez Monsivais, File)

National security adviser Robert O'Brien talks with reporters before boarding Air Force One with President Donald Trump at Los Angeles International Airport, Wednesday, Sept. 18, 2019, in Los Angeles. O’Brien said late Thursday, Oct. 10, that he wants to gradually eliminate about half of the 178 staff members of the National Security Council over the next 15 months. O’Brien, who recently took over after national security adviser John Bolton was ousted by the president, portrayed the cuts as an effort to return to staffing levels of the past. (AP Photo/Evan Vucci)