An exhibitor talks with a visitor at the Black Sea Defense and Aerospace Exhibition in Bucharest, capital of Romania, on May 18, 2022. (Photo by Cristian Cristel/Xinhua)
Visitors look at machine guns at the Black Sea Defense and Aerospace Exhibition in Bucharest, capital of Romania, on May 18, 2022. (Photo by Cristian Cristel/Xinhua)
A Hawk surface-to-air missile system is seen on display at the Black Sea Defense and Aerospace Exhibition in Bucharest, capital of Romania, on May 18, 2022. (Photo by Cristian Cristel/Xinhua)
A Spartan military transport aircraft is seen at the Black Sea Defense and Aerospace Exhibition in Bucharest, capital of Romania, on May 18, 2022. (Photo by Cristian Cristel/Xinhua)
A soldier looks through the guidance system of a missile launcher at the Black Sea Defense and Aerospace Exhibition in Bucharest, capital of Romania, on May 18, 2022. (Photo by Cristian Cristel/Xinhua)