The BETA Technologies ALIA conventional take-off and landing aircraft, left, and a Cessna 208 Caravan aircraft land at Joint Base Andrews, Md., Oct. 18, 2023. The flight marked the ALIA CTOL as the first all-electric aircraft to fly in the Flight-Restricted Zone, a roughly 15-nautical-mile area around Ronald Reagan Washington National Airport in effect since 9/11. (U.S. Air Force photo by Airman 1st Class Gianluca Ciccopiedi)