Keywords: S2F-1 of VS-21 paddled aboard USS Princeton (CVS-37) 1956.jpg A U S Navy Grumman S2F-1 Tracker of Anti-submarine Squadron VS-21 Lightning Bolts landing the aircraft carrier USS Princeton CVS-37 VS-21 was assigned to the Princeton for a deployment to the Western Pacific and the Indian Ocean from 5 January to April 1956 U S Navy photo http //www navysite de/cruisebooks/cv37-56/033 htm from the http //www navysite de/cruisebooks/cv37-56/index_002 htm USS Princeton CVS-37 1956 cruise book available at http //navysite de/cruisebooks/index html Navysite de 1956 USN PD-USGov-Military-Navy Grumman S-2 Tracker Sea Control Squadron 21 United States Navy Aboard USS Princeton CV-37 Landing Signal Officer |