Maine Air Show

Two members of U.S. Navy Blue Angels demonstration team pass by each other at high speed from opposite directions Saturday, Aug. 26, 2017, at the Great State of Maine Air Show at the former Brunswick Naval Air Station, in Brunswick, Maine.[Photo: AP]

The U.S. Navy Blue Angels demonstration team perform Saturday, Aug. 26, 2017, at the Great State of Maine Air Show at the former Brunswick Naval Air Station, in Brunswick, Maine.[Photo:AP]

A Vermont-based F-16 Fighting Falcon is on display at the Great State of Maine Air Show, Saturday, Aug. 26, 2017, in Brunswick, Maine. The jets have been in the news recently due to a National Guard proposal to expand airspace for fighter jet training flights low over the mountains of western Maine. The proposal has dragged on for so long that many of the aircraft could be retired around the time the process is completed.[Photo:AP]

Spectators look skyward during an exhibition by a U.S. Air Force F-16 during the Great State of Maine Air Show, Saturday, Aug. 26, 2017, at the former Brunswick Naval Air Station, in Brunswick, Maine.[Photo:AP]