Families wave as HMS Kent, a Type 23 frigate leaves Portsmouth Harbour on August 12, 2019 in Portsmouth, England. The British warship is on route to the Gulf amid heightened tensions with Iran. (Photo by Dan Kitwood/Getty Images)
An Israeli armored vehicle drives past a mural painting showing the logo of Hezbollah and reading : "martyr fighter Samir Kuntar" in a mock arab village for training purpose using Carmel project systems, in Elkayim in northern Israel on August 4, 2019. - Israel unveiled options on August 4 to develop a "combat vehicle of the future" involving fewer soldiers operating it, large touchscreens, 360-degree vision and, in one prototype, a video game controller. ( JACK GUEZ/AFP/Getty Images)
An Elbit Systems employee operates systems of the Carmel project, a new combat vehicle, in Elkayim in northern Israel on August 4, 2019. - Israel unveiled options on August 4 to develop a "combat vehicle of the future" involving fewer soldiers operating it, large touchscreens, 360-degree vision and, in one prototype, a video game controller. The country's ministry of defence demonstrated those options for the project developed by three companies, aiming to further evaluate them, possibly narrow them and move forward in the months and years ahead. (JACK GUEZ/AFP/Getty Images)
A photo taken on August 7, 2019, shows an Israeli Sa'ar 5 class corvette (L) and the French anti-submarine frigate FREMM Auvergne (R) during an exercise how simulate a humanitarian response to a powerful earthquake and significant movement of IDF vessels and foreign vessels in the Mediterranean sea. (JACK GUEZ/AFP/Getty Images)
A photo taken on August 7, 2019, shows the Israeli Sa'ar Patrol 4.5 vessel during an exercise how simulate a humanitarian response to a powerful earthquake and significant movement of IDF vessels and foreign vessels in the Mediterranean sea. (JACK GUEZ/AFP/Getty Images)
Soldiers salut from their military vehicles during the 54th National Day Parade in Singapore on August 9, 2019. (ROSLAN RAHMAN/AFP/Getty Images)
An Indian Border Security Force (BSF) soldier stands guard during heavy rainfall at the PishuTop, some 127 km southeast of Srinagar, on July 27, 2019 during the annual Hindu pilgrimage to the holy cave shrine of Amarnath. - (TAUSEEF MUSTAFA/AFP/Getty Images)
Kosovo Security Forces (KSF) new basic training recruits learn camouflage techniques while taking part in tactical exercises during the final weeks of their nine-week basic training on July 25, 2019 in Ferizaj, Kosovo. Created in 2008 the KSF was formed mainly to deal in crisis response, civil defense and the removal of ordnance left from the 1990Õs conflicts, however in December 2018 the Assembly of Kosovo passed legislation to redefine the KSF as a professional military force. (Photo by Chris McGrath/Getty Images)
Indian Army recruits shout and jump next to colourful smoke during a training demonstration at the Jak Rifles regimental centre in Jabalpur in Madhya Pradesh state on August 9, 2019. (UMA SHANKAR MISHRA/AFP/Getty Images)
Warships float at the Neva River during the Navy Day parade in St.Petersburg, Russia, Sunday, July 28, 2019. (AP Photo/Dmitri Lovetsky)
An Israeli soldier takes aim at Palestinian protesters while a photojournalist takes pictures next to him, both behind cover, during clashes following a weekly protest against the expropriation of Palestinian land by Israel in the village of Kfar Qaddum near the Jewish settlement of Qadumim (Kedumim), in the Israeli-occupied West Bank on August 9, 2019. (JAAFAR ASHTIYEH/AFP/Getty Images)
Members of the Saudi special forces perform during a military parade in preparation for the annual Hajj pilgrimage, in the Muslim holy city of Mecca, Saudi Arabia, Sunday, Aug. 4, 2019. The annual Hajj pilgrimage draws millions of visitors each year, making it the largest yearly gathering of people in the world. (AP Photo/Amr Nabil)
Russian Navy missile launcher ship Naberezhnye Chelny sails during a parade as part of the Navy Day celebration in Sevastopol on July 28, 2019. (EKATERINA SHTUKINA/AFP/Getty Images)
An RAF Chinook helicopter drops aggregate to help shore up a reservoir at risk of collapse, threatening to engulf the town of Whaley Bridge in the Peak District, England, Friday, Aug. 2, 2019. (AP Photo/Jon Super)
A Houthi Shiite rebel mans a machine gun mounted on a military truck during a gathering aimed at mobilizing more fighters for the Houthi movement, in Sanaa, Yemen, Thursday, Aug. 1, 2019. The conflict in Yemen began with the 2014 takeover of Sanaa by the Houthis, who drove out the internationally recognized government. Months later, in March 2015, a Saudi-led coalition launched its air campaign to prevent the rebels from overrunning the country's south. (AP Photo/Hani Mohammed)