• raqi Prime Minister Haider al-Abadi speaks at a joint press conference with German Chancellor after their meeting at the Chancellery in Berlin on February 11, 2016
  • Senegal's Army General Amadou Kane (C) and US Army General Donald Bolduc (L) review the troops during the inauguration of a military base in Thies, 70 km from Dakar. (File)
  • Iranian soldiers participate in military manoeuvres
  • Destroyed M1A1 Abrams tank (File)
  • U.S. Air Force Lt. Col. Andy Veres, left, Provincial Reconstruction Team Zabul commander, re-enlists Master Sgt. James Sandifer, Forward Operating Base Smart mayor, on top of Alexander's castle in Qalat City, Afghanistan, July 7
  • B-1 Lancer Prepares to Take Off From Guam
  • US Army soldiers belonging to the 1st Platoon, Able Troop 3-71 Cavalry Squadron and members of the South Carolina National Guard. (File)
  • In this July 3, 2017 file photo, American soldiers get ready for NATO's Saber Guardian exercises, checking a map near Gyor, 120 kilometers west of Budapest, Hungary.
  • US President Donald Trump welcomes Chinese President Xi Jinping at Mar-a-Lago state in Palm Beach, Florida, US, April 6, 2017.
  • US Air Force B-1 Lancer bomber flies above the Syrian town of Kobane
  • A picture shows Tripoli's Martyrs square, which used to be called the Green Square during the dictatorship of slain Libyan dictator Moamer Kadhafi, in the Libyan capital Tripoli on October 20, 2015.
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  • South Korean and U.S. Marines participate in the U.S.-South Korea joint landing exercises called Ssangyong, part of the Foal Eagle military exercises, in Pohang, South Korea, Monday, March 31, 2014
  • United Nations Special Envoy of the Secretary-General for Syria Staffan de Mistura
  • Saudi army artillery fire shells towards Yemen from a post close to the Saudi-Yemeni border
  • US and Lithuanian troops take part in a NATO military exercise 38 miles north of the capital of Lithuania. File photo.
  • Flags wave in front of soldiers who take positions with their army vehicles during the NATO Noble Jump exercise on a training range near Swietoszow Zagan, Poland, Thursday, June 18, 2015