Military and defense

Deputy Assistant Secretary of State George Kent, second from right, arrives to appear before a joint House Committee on Foreign Affairs, Permanent Select Committee on Intelligence, and Committee on Oversight and Reform for a deposition on Capitol Hill in Washington, Tuesday, Oct. 15, 2019. (AP Photo/Manuel Balce Ceneta)

FILE - In this Jan. 30, 2010, file photo, Vice President Joe Biden, left, with his son Hunter, right, at the Duke Georgetown NCAA college basketball game in Washington. Since the early days of the United States, leading politicians have had to contend with awkward problems posed by their family members. Joe Biden is the latest prominent politician to navigate this tricky terrain. (AP Photo/Nick Wass, File)

Former White House advisor on Russia, Fiona Hill, center, 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)

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)

In this photo taken from the Turkish side of the border between Turkey and Syria, in Akcakale, Sanliurfa province, southeastern Turkey, Turkish-backed Syrian opposition fighters advance with theirs armoured personnel carrier in Tel Abyad, Syria, Sunday, Oct. 13, 2019. Fighting continued into the afternoon in Tel Abyad, where smoke could be seen rising from several points in the town. (AP Photo/Lefteris Pitarakis)

Anti-government demonstrators takes cover behind a barricade during clashes with police in Quito, Ecuador, Saturday, Oct. 12, 2019. Protests, which began when President Lenin Moreno's decision to cut subsidies led to a sharp increase in fuel prices, have persisted for days. (AP Photo/Fernando Vergara)

A local resident looks out from a hole on a house that was damaged by a mortar fire from inside Syria, on the Turkish town of Akcakale, southeaster, Turkey, Saturday, Oct. 12, 2019.Nobody got hurt by the attack.The owners of the house weren't home at the time of the attack. Turkey's military said it captured a key Syrian border town under heavy bombardment Saturday as its offensive against Kurdish fighters pressed into its fourth day with little sign of relenting despite mounting international criticism. (AP Photo/Lefteris Pitarakis)

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 Oct. 1, 2019, file photo, Democratic presidential candidate U.S. Rep. Tulsi Gabbard, D-Hawaii, listens to a question during a campaign stop in Londonderry, N.H. While Gabbard is campaigning for her party's presidential nomination, she faces a strong primary challenge back home for her congressional seat from Democratic state Sen. Kai Kahele. (AP Photo/Charles Krupa, File)

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)