Used on following USN warships: Lexington (CV-2), Saratoga (CV-3), Pensacola (CA-24), Salt Lake City (CA-25), Northampton (CA-26),Chester (CA-27), Louisville (CA-28), Chicago (CA-29), Houston (CA-30), Augusta (CA-31), New Orleans (CA-32), Portland (CA-33), Astoria (CA-34), Indianapolis (CA-35), Minneapolis (CA-36).