Iraqi special forces members patrol in a street in Basra on September 8, 2018, after Iraq's Joint Operations Command, which includes the army and police, vowed a "severe" response with "exceptional security measures", including a ban on protests and group travel. - Calm appeared to have returned to the streets of Basra with a curfew holding for the first time as soldiers and police manned checkpoints and patrolled the city. (HAIDAR MOHAMMED ALI/AFP/Getty Images)
Korean People's Army (KPA) soldiers stand atop armored vehicles during a military parade on Kim Il Sung square in Pyongyang on September 9, 2018. - North Korea held a military parade to mark its 70th birthday, but refrained from showing off the intercontinental ballistic missiles that have seen it hit with multiple international sanctions. (ED JONES/AFP/Getty Images)
Japanese soldiers operate a drone as they search for victims of a landslide triggered by an earthquake, on September 8, 2018 in Atsuma near Sapporo, Japan. Twenty one people are now confirmed to have been killed with eight still missing and hundreds injured two days after a powerful 6.7-magnitude earthquake struck the northern Japanese island of Hokkaido triggering landslides and widespread disruption. (Carl Court/Getty Images)
South Korean soldiers stand guard at the border village of Panmunjom in the Demilitarized Zone on September 7, 2018. - The leaders of the two Koreas will hold a summit in Pyongyang in September, Seoul said on September 6, as Kim Jong Un renewed his commitment to the denuclearisation of the flashpoint peninsula. (AHN YOUNG-JOON/AFP/Getty Images)
A Colombian rescue crew evacuates a victim in a Brazilian Air Force helicopter as part of an earthquake simulation exercise held by Air Force troops from Colombia, the Dominican Republic, Peru, Brazil and the United States at the Palenquero Air Force base in Puerto Salgar, Cundinamarca Department, Colombia, on September 6, 2018. - Air Force crews from 12 countries took part in the "Angel de los Andes" exercises, where they simulated several rescue operations in different scenarios. (JOAQUIN SARMIENTO/AFP/Getty Images)
A member of the Rapid Forces Division (DSK) takes part in the Fast Eagle 2018 military evacuation exercise of German armed forces Bundeswehr on September 10, 2018 at Borstel airport, Germany. - In the exercise scenario, the army trains to flow out German nationals out of a crisis area. (KLAUS-DIETMAR GABBERT/AFP/Getty Images)
TOPSHOT - Korean People's Army (KPA) soldiers march during a mass rally on Kim Il Sung square in Pyongyang on September 9, 2018. - Thousands of North Korean troops followed by artillery and tanks paraded through Pyongyang on September 9 as the nuclear-armed country celebrated its 70th birthday, but it refrained from displaying the intercontinental ballistic missiles that have seen it hit with sanctions. ((ED JONES/AFP/Getty Images)
Korean People's Army (KPA) soldiers march during a mass rally on Kim Il Sung square in Pyongyang on September 9, 2018. - North Korea held a military parade to mark its 70th birthday, but refrained from showing off the intercontinental ballistic missiles that have seen it hit with multiple international sanctions. (ED JONES/AFP/Getty Images)
This combination of pictures taken and created on September 7, 2018 shows an Israeli army drone falling after being covered by a net thrown at it by Palestinian protester during clashes following a demonstration along the Israel-Gaza border, east of Gaza City in the central Gaza Strip. (SAID KHATIB/AFP/Getty Images)
Pakistani naval soldiers take part in a drill during celebrations to mark Defence Day at Clifton Beach in Karachi on September 6, 2018, celebrating the 53rd anniversary of its second war with arch-rival India. (ASIF HASSAN/AFP/Getty Images)
Indian army cadets celebrate after their graduation ceremony at the Officers Training Academy in Chennai on September 8, 2018. - A total of 252 cadets, including 38 women cadets, graduated from the academy and will be posted as lieutenants in the Indian Army. (ARUN SANKAR/AFP/Getty Images)
RAF personnel dressed in period uniform stand next to a Spitfire at the RAF100 aircraft tour on August 31, 2018 in Glasgow,Scotland. The Tour will feature five iconic aircraft, including the Sopwith Snipe, Spitfire, Harrier, Typhoon and the new state of the art F35 Lightning stealth combat jet, all are on show at Glasgow's Science Centre as the Royal Air Force continues to celebrate its 100th birthday. (Jeff J. Mitchell/Getty Images)
An Indian army soldier, a member of the motorcycle display team, performs a stunt during a display at an officer training academy in Chennai on September 7, 2018. (ARUN SANKAR/AFP/Getty Images)
The Arleigh Burke-class guided-missile destroyer USS Carney (DDG 64) transits the Mediterranean Sea Sept. 4, 2018. Carney, forward-deployed to Rota, Spain, is on its fifth patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners as well as U.S. national security interests in Europe and Africa. (MC1 Ryan U. Kledzik/Navy)
Petty Officer 3rd Class Alexander Turla, an airman assigned to the Essex Amphibious Ready Group (ARG), launches an F-35B Lightning II assigned to Marine Fighter Attack Squadron (VMFA) 211, 13th Marine Expeditionary Unit (MEU), aboard the Wasp-class amphibious assault ship USS Essex (LHD 2), Sept. 3, 2018. (Cpl. A. J. Van Fredenberg/Marine Corps)