KHARKIV, UKRAINE - MARCH 31: The Ukrainian-made "Sting" interceptor drone is seen on March 31, 2026 in Kharkiv, Ukraine. After years of developing systems and know-how to fend off Russia's drone attacks, Ukraine is now offering its hard-won expertise and counter-drone technology to other countries. In recent weeks, Ukrainian President Volodymyr Zelensky has been visiting Gulf states who are confronting a wave of relatively cheap kamikaze drones launched by Iran as it lashes out neighboring countries after the joint U.S.-Israeli attack. (Photo by Nikoletta Stoyanova/Getty Images)

This picture taken on March 31, 2026 shows an Anti-US banner displayed in Tehran. Iran's Revolutionary Guards said on March 31, that they would target leading US technology firms like Apple, Google and Meta if more Iranian leaders were killed in "targeted assassinations". (Photo by ATTA KENARE / AFP via Getty Images) /

This picture taken on March 31, 2026 shows an Anti-US banner displayed in Tehran. Iran's Revolutionary Guards said on March 31, that they would target leading US technology firms like Apple, Google and Meta if more Iranian leaders were killed in "targeted assassinations". (Photo by ATTA KENARE / AFP via Getty Images)

This picture taken on March 31, 2026 shows an Anti-US banner displayed in Tehran. Iran's Revolutionary Guards said on March 31, that they would target leading US technology firms like Apple, Google and Meta if more Iranian leaders were killed in "targeted assassinations". (Photo by ATTA KENARE / AFP via Getty Images) /

Belgium's Prime Minister Bart De Wever gives a speech at a European conference organised by the University Hospital of Liege and SAFIR-Ready, showcasing the transport of medical supplies by drone with Helicu, in Liege on March 31, 2026. (Photo by ERIC LALMAND / Belga / AFP via Getty Images) / Belgium OUT

A drone flies during a demonstration of an assisted medical intervention organised by the University Hospital of Liege and SAFIR-Ready, during a European conference showcasing the transport of medical supplies by drone with Helicu, in Liege on March 31, 2026. (Photo by ERIC LALMAND / Belga / AFP via Getty Images) / Belgium OUT

This photograph shows an electric aircraft used to transport medical supplies displayed at the University Hospital of Liege and SAFIR-Ready, during a European conference showcasing the transport of medical supplies by drone with Helicu, in Liege on March 31, 2026. (Photo by ERIC LALMAND / Belga / AFP via Getty Images) / Belgium OUT

Canadian astronaut Joshua Kutryk poses for a portrait at NASA's Kennedy Space Center, Florida on March 30, 2026. As soon as April 1, NASA is poised to make history -- sending the first woman, the first person of color, and the first non-American on a voyage around the Moon. Canadian Jeremy Hansen is among the four-person crew, what Joshua Kutryk, an astronaut who also hails from Canada, called "a very big deal." Wearing a traditional royal-blue flight suit, Kutryk -- who is currently training for his own mission to the International Space Station -- made the trip to Florida's Kennedy Space Center to cheer on his colleague, who could take off as early as April 1 (Photo by Charlotte CAUSIT / AFP via Getty Images)