Thames Valley Police are re-investigating the deaths of eight people dating back to the 1970s.
Cold case detectives say the deaths - which occured in Berkshire, Oxfordshire, and Buckinghamshire - are unrelated.
The operation, named Nightingale, has been established as police have previously been unable to identify the bodies in each case.
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Rain becoming heavy at times this afternoon before clearing tonight. Dry with hazy sunshine tomorrow but feeling fresher.
Mild with cloud and patchy rain at times. Heavy rain this evening, then dry, bright and feeling fresher tomorrow.
More than 800 sailors died when two battleships, Repulse and the Prince of Wales, were sunk by the Japanese.