Why was this? At the onset of the Second World War, three medium/heavy anti-aircraft (AA) guns were in operation: the First World War-era 3-inch gun, a new 3.7-inch gun and the large, static 4.5 ...

The Model 1918 never saw action because it came ... After it will be an anti-aircraft searchlight exhibit, Bernstein said. To see the 3-inch AA gun and other ADA artifacts, visit the temporary ...