Military and defense

House Oversight and Government Reform Committee Chairman Rep. Trey Gowdy, R-S.C., right, sitting next to ranking member Rep. Elijah Cummings, D-Md., left, listens during a hearing on "Cyber-securing the Vote: Ensuring the Integrity of the U.S. Election System," on Capitol Hill in Washington, Tuesday, July 24, 2018. (AP Photo/Susan Walsh)

Australia Foreign Affairs Minister Julie Bishop, second from left, speaks at a 2018 Australia-U.S. Ministerial (AUSMIN) Consultations news conference with Australia Minister for Defense Marise Payne, from left, U.S. Secretary of State Mike Pompeo and U.S. Secretary of Defense Jim Mattis in Stanford, Calif., Tuesday, July 24, 2018. (AP Photo/Jeff Chiu)

FILE - In this July 22, 2018, file photo, supporters of Pakistani politician Imran Khan attend his election rally in Karachi, Pakistan. As Pakistanis prepare to make history on Wednesday by electing a third consecutive civilian government, rights activists, analysts and even some candidates say the campaign has been among the country's dirtiest imperiling the country's democratic future. (AP Photo/Shakil Adil, File)

This July 22, 2018, satellite image released and annotated by 38 North on Monday, July 23, shows what the U.S. research group says is the partial dismantling of the rail-mounted transfer structure, at center, at the Sohae launch site in North Korea. 38 North said North Korea has started dismantling key facilities at its main satellite launch site in what appears to be a step toward fulfilling a commitment made by leader Kim Jong Un at his summit with President Donald Trump in June. (Airbus Defense & Space/38 North via AP)

President Donald Trump arrives at Kansas City International Airport to attend the national convention of the Veterans of Foreign Wars, Tuesday, July 24, 2018, in Kansas City, Mo. (AP Photo/Evan Vucci)

President Donald Trump arrives at Kansas City International Airport to attend the national convention of the Veterans of Foreign Wars, Tuesday, July 24, 2018, in Kansas City, Mo. (AP Photo/Evan Vucci)

This July 22, 2018, satellite image released and annotated by 38 North on Monday, July 23, 2018, shows what the U.S. research group says is the dismantled engine test stand at the Sohae launch site in North Korea. The U.S. research group says North Korea has started dismantling key facilities at its main satellite launch site in what appears to be a step toward fulfilling a commitment made by leader Kim Jong Un at his summit with President Donald Trump in June. (Airbus Defense & Space/38 North via AP)

In this Saturday, July 21, 2018, photo, children watch a robot picking soft drink at a vending machine in the China Science and Technology Museum in Beijing. With U.S. President Donald Trump intensifying his rift with U.S. trading partners, economists are growing more doubtful that any deal that might benefit American workers and companies may be in sight. Instead, many analysts say they expect the Trump administration to impose increasingly more tariffs on China, Europe and other key U.S. trading partners. (AP Photo/Andy Wong)

White House press secretary Sarah Huckabee Sanders speaks during the daily press briefing at the White House, Monday, July 23, 2018, in Washington. (AP Photo/Alex Brandon)