An M1132 Engineer Squad Vehicle belonging to Alpha Company, 898th Brigade Engineer Battalion, 81st Stryker Brigade Combat Team, sits under the night sky on a demolitions range at Yakima Training Center, Yakima, Wash., July 12, 2018. The M1132 is the combat engineering variant of the Stryker armored fighting vehicle.
NASA high-altitude balloon
Clint Eastwood as Air Force Major Mitchell Gant in the 1982 thriller Firefox. Gant’s character was asked to steal an advanced Soviet fighter that employed a brain-machine interface.
Sailors participate in an Apex Legends competition
 artist’s concept of the Airbus Zephyr high- altitude pseudo-satellite unmanned aerial vehicle
Seahawk medium displacement unmanned surface vessel
MANTAS T38 Devil Ray