Massive K-series airships were housed in the largest clear-span wood buildings in the world, near Tillamook; one burned in 1992, while the other houses the Tillamook Air Museum today. (Tillamook County; 1940s) (For text and pictures, see https://offbeatoregon.com/1105d-blimp-squadron-first-defense-against-submarines-balloon-bombs.html)