Warminster, PA, United States
Johnsville Naval Air Development Center. This site was acquired by the U.S. Navy during World War II from the Brewster Aircraft Corporation; it served as a strategic locale for weapons development and testing of modern aircraft. Later, it was a training facility for America's Mercury, Gemini, and Ap
Listen to the audio guide for Blue plaque № 28548 Free on WIP — starts by itself when you arrive, even with the screen off