Keywords: SH-34J Seabat HS-4 in flight c1961.jpg A U S Navy Sikorsky HSS-1N Seabat helicopter BuNo 148021 from Helicopter Anti-Submarine Squadron HS-4 Black Knights in flight HS-4 was assigned to Carrier Anti-Submarine Air Group 55 CVSG-55 aboard the aircraft carrier USS Yorktown CVS-10 for a deployment to the Western Pacific from 29 July 1961 to 2 March 1962 U S Navy photo http //navysite de/cruisebooks/cv10-61/107 htm from the http //navysite de/cruisebooks/cv10-61/index_019 htm USS Yorktown CVS-10 1961-62 cruise book available at http //navysite de/cruisebooks/index html Navysite de ca 1961 USN PD-USGov-Military-Navy Sikorsky H-34 Helicopter Anti-Submarine Squadron 4 United States Navy |