A man looks at an unmanned amphibious hovercraft platform at the National Defense Technology Industrial Equipment and Information Technology Expo in Shanghai on April 23, 2026. (Photo by Jade GAO / AFP via Getty Images)

An exhibitor (C) introduces their security gear products at the National Defense Technology Industrial Equipment and Information Technology Expo in Shanghai on April 23, 2026. (Photo by Jade GAO / AFP via Getty Images)

United Aircraft's unmanned helicopter TD550 is displayed at the National Defense Technology Industrial Equipment and Information Technology Expo in Shanghai on April 23, 2026. (Photo by Jade GAO / AFP via Getty Images)

Equipment for drones are seen at the National Defense Technology Industrial Equipment and Information Technology Expo in Shanghai on April 23, 2026. (Photo by Jade GAO / AFP via Getty Images)

WASHINGTON, DC - APRIL 22: U.S. Commerce Secretary Howard Lutnick testifies during a subcommittee hearing with the Senate Committee on Appropriations in the Dirksen Senate Office Building on April 22, 2026 in Washington, DC. Lutnick testified before the subcommittee on Commerce, Justice, Science, and Related Agencies on the Commerce Department's FY2027 budget proposal. (Photo by Anna Moneymaker/Getty Images) *** BESTPIX ***

WASHINGTON, DC - APRIL 22: A member of the audience wears NASA socks as NASA Administrator Jared Isaacman (R) speaks during a House Science, Space, and Technology Committee hearing on Capitol Hill on April 22, 2026 in Washington, DC. Isaacman is testifying on President Trump's FY2027 budget request.(Photo by Andrew Harnik/Getty Images) *** BESTPIX ***

WASHINGTON, DC - APRIL 22: NASA Administrator Jared Isaacman speaks during a House Science, Space, and Technology Committee hearing on Capitol Hill on April 22, 2026 in Washington, DC. Isaacman is testifying on President Trump's FY2027 budget request.(Photo by Andrew Harnik/Getty Images) *** BESTPIX ***

Technicians operate a rover equipped with a quantum sensor mapping the subsurface of a parking in Reims, northeastern France on April 22, 2026. Reims is hosting a unique scientific experiment. With support from the City Hall, the French company Exail and the French Geological Survey (BRGM) are deploying a rover equipped with a quantum sensor capable of mapping the subsurface without any digging. (Photo by Sameer Al-DOUMY / AFP via Getty Images)