Keywords: SQS-26 sonar of USS Willis A. Lee (DL-4) in 1961.jpg View of the bow of the U S Navy destroyer USS Willis A Lee DL-4 during her FRAM modernisation at the Boston Naval Shipyard Massachusetts USA in 1961 Willis A Lee and her sister ship USS Wilkinson DL-5 were the first ships to receive the AN/SQS-26 sonar U S Navy photo in Stefan Terzibaschitsch Kampfsysteme der U S Navy Koehler Hamburg 2001 p 211 ISBN 3-78220806-4 1961 USN PD-USGov-Military-Navy USS Willis A Lee DL-4 AN/SQS-26 Boston Navy Yard |