National Geographic : 1939 Apr
BROOKLYN NAVY YARD BUILDS CRUISERS, DESTROYERS, AND BATTLESHIPS, AND REPAIRS OTHER "WAR CANOES"' BROUGHT FOR OVERHAUL This mother of American navy yards was established in 1801. Today it employs some 9,000 people, nearly threetimes the whole enlisted strength ofUncle Sam's then baby Navy. At left is a giant traveling crane, for lifting turrets, big guns, etc. Upstream, Manhattan Bridge spans East River (page 416).