Researcher in UK seeking help on US Sonar Recordings

Mr. David Tompkins, a writer in the UK, is seeking help on "SONAR training records used by the SONAR / radar training schools in the U.K. during WW2. I assume it would've been for the ASDIC systems? I wondered any US SONAR recordings, or something similar to what you have, might've been used by more

USS Constitution Museum Seeks Nominations for 2019 Don Turner Award

The USS Constitution Museum is now accepting nominations for its 2019 Don Turner Award. Established in 1991, this award is named in honor of Don Turner, a former head of USS Constitution Maintenance and Repair Facility. It recognizes his singular contribution toward the preservation of “Old more