Show national guard tests new york antiaircraft anti aircraft 4 national guardsmen of battery D coast artillery unit only national guard and anti aircraft unit in new york state load a three inch super powered gun one of ordered by the government the new deap ons which would defend new york city in case of air attack have a three inch bore fire a 28 pound projectile containing one half inch lead pellets and can fire 30 shells a minute guns were mere tested at fort til sen den rockaway beach new york city it was the first time since 1917 that a N Y national guard regiment held winter maneuvers |