Pakistan Navy Special paratroopers forces take part in the Navy's Multinational Exercise 'AMAN-19' in Karachi on February 9, 2019. - Exercise Aman is scheduled from February 8 to 12, 2019, in which over 45 countries are participating with ships and observers. (RIZWAN TABASSUM/AFP/Getty Images)French Defense Minister Florence Parly (C) talks to French soldiers engaged in "Operation Chammal", the French military operation within "Operation Inherent Resolve", the international coalition against the Islamic State (IS) group, as they stand in front of wheeled 155 mm gun-howitzer CAESAR system on February 9, 2019, near Al-Qaim, a few kilometres away from the last scrap of territory held by IS in eastern Syria. - The US-backed Syrian Democratic Forces said on February 9, 2019 it had begun the "final battle" to oust the Islamic State group from the last scrap of territory it holds in eastern Syria. (DAPHNE BENOIT/AFP/Getty Images)Opposing solo pilot Lt. Cmdr. Andre Webb, assigned to the U.S. Navy Flight Demonstration Squadron, the Blue Angels, performs a low transition take off during a practice demonstration on Feb. 2, 2019, at Naval Air Facility El Centro, Calif. (Mass Communication Specialist 2nd Class Timothy Schumaker/Navy)Iranians visit a weaponry and military equipment exhibition in the capital Tehran on February 2, 2019, organized on the occasion of the 40th anniversary of the Iranian revolution. - Iran announced the successful test of a new cruise missile with a range of over 1,350 kilometers on today, state TV reported. (ATTA KENARE/AFP/Getty Images)Hoveizeh, Iran's new cruise missile is shown during an exhibition in the capital Tehran on February 2, 2019. - Iran announced the successful test of a new cruise missile with a range of over 1,350 kilometers today, state TV reported. (ATTA KENARE/AFP/Getty Images)An E-8C Joint STARS assigned to Robins Air Force Base, Ga., prepares to take off Jan. 24, 2019, at Nellis Air Force Base, Nev. (Airman 1st Class Bailee A. Darbasie/Air Force)Pakistan Special Services Group Navy commandos take part in the navy's Multinational Exercise 'AMAN-19' in sea view in Karachi on February 9, 2019. - Exercise Aman is scheduled from February 8 to 12, 2019, in which over 45 countries are participating with ships and observers. (RIZWAN TABASSUM/AFP/Getty Images)A Rafale fighter jet takes off from the carrier "Charles de Gaulle" operating on the Mediterranean sea, on February 7, 2019. (VALERY HACHE/AFP/Getty Images)Sri Lankan Army tanks parade during the island's 71st Independence Day celebrations in Colombo on February 4, 2019. - Sri Lanka is marking the 71st anniversary of independence from Britain on February 4. (LAKRUWAN WANNIARACHCHI/AFP/Getty Images)A soldier rappels from a helicopter during a demonstration by the military forces at President Ivan Duque's launch of the new national security and defense policy at the Tolemaida military fort in Cundinamarca, Colombia, on February 6, 2019. (GUILLERMO LEGARIA/AFP/Getty Images)Australian Army vehicles enter Townsville to help evacuate flood-affected people on February 4, 2019, as the recent downpour in Australia's tropical north has seen some areas get a year's worth of rainfall in a week. - Australia's military has been deployed to tackle devastating "once-in-a-century" floods that have inundated homes, schools and airports in the country's northeast, forcing hundreds to flee and bringing crocodiles onto the streets. (STR/AFP/Getty Images)A picture shows a Rafale with Qatar's colors during a ceremony for the delivery to Qatar of the first of 36 Rafale multi-purpose jet fighters from French manufacturer Dassault, on February 6, 2019, in Merignac, southwestern France. - (GEORGES GOBET/AFP/Getty Images)Indonesian air force soldiers parachute during a military drill at Blang Bintang, Aceh province on February 8, 2019. (CHAIDEER MAHYUDDIN/AFP/Getty Images)Afghan National Army (ANA) soldiers fire a D30 122mm Howitzer gun during a training session on Feb. 2, 2019, for ANA soldiers at Arena base in the Guzara district of Herat province. (HOSHANG HASHIMI/AFP/Getty Images)