He was a defense contractor during World War II, organizing the San Jose Manufacturers, a non-profit coalition of small machine shops that produced 105-mm gun carriages for the U.S. Army in San Jose.
This weapon has only been superseded in calibre, on aircraft, by the low velocity 105 mm (4 in) modified M102 howitzer (23 calibres in length) carried on a mobile mounting in the flanks of the AC-130's 3.2 m (10.5 ft) wide fuselage.
Howitzer | howitzer | M777 howitzer | M109 howitzer | M102 howitzer | BL 18 inch railway howitzer | M110 howitzer | Big Bertha (howitzer) |