• President Donald Trump, left, speaks as South Korean President Moon Jae-in looks on during a joint news conference at the Blue House in Seoul, South Korea, Tuesday, Nov. 7, 2017
  • Soyuz MS-10 Launches to ISS from Baikonur Cosmodrome
  • An oil tanker is seen off the port of Bandar Abbas, southern Iran (File)
  • F-35
  • An S-400 air defense missile system
  • Oil pump jack
  • Euro, Hong Kong dollar, U.S. dollar, Japanese yen, pound and Chinese 100 yuan banknotes are seen in this picture illustration, January 21, 2016.
  • F-35 Luke Air Force Base
  • In this Tuesday, July 22, 2014, file photo, gold bars are stacked in a vault at the United States Mint, in West Point, N.Y.
  • Pakistani F-16 fighter perform during a Pakistan Day military parade in Islamabad on March 23, 2018
  • This file photo taken on November 29, 2016 shows airplanes of German airline Lufthansa parked in front of the Lufthansa terminal at the Franz-Josef-Strauss airport in Munich, southern Germany
  • French navy soldiers prepare French Rafale jet fighters on the flight deck of the French Charles-de-Gaulle aircraft carrier on November 22, 2015 in the eastern Mediterranean Sea
  • In this Tuesday, July 22, 2014, file photo, gold bars are stacked in a vault at the United States Mint, in West Point, N.Y.
  • F-16 Viper deploying countermeasures
  • An S-400 anti-aircraft missile system during the preparation of military equipment for the military parade marking the 73rd anniversary of the victory in the Great Patriotic War, in Kaliningrad
  • An Akula class submarine underway
  • In this Wednesday, Feb. 27, 2019 photo pug dog Edda is pictured in Duesseldorf, Germany. Officials in Germany are defending their decision to seize an indebted family's pet pug and sell it on eBay, saying the move was a last resort because authorities were unable to find anything else to take.
  • Stand Pat
  • Gulf Defence & Aerospace-2017 exhibition in Kuwait City
  • In this photo released by Saudi Press Agency, SPA, Saudi Crown Prince, Mohammed bin Salman addresses the Future Investment Initiative conference, in Riyadh, Saudi Arabia, Wednesday, Oct. 24, 2018