In this Jan. 30, 2014 photo, an RQ7 Shadow unmanned aircraft flies from its pneumatic catapult launcher at Joint Base Elmendorf-Richardson in Anchorage, Alaska. U.S. military bases in the Arctic and sub-Arctic are failing to harden their installations against long-term climate change as required, even though soaring temperatures and melting ice already are cracking base runways and roads and worsening flood risks up north, the Pentagon's watchdog office said April 14, 2022. (AP Photo/Dan Joling, File)