On 24 April 1944 off Indochina Official Chronology of the US Navy entry 24 April 1944 she was bombed by a Japanese antisubmarine aircraft, suffering shattered and flooded periscopes and loss of radar, while taking a harrowing plunge to 350 feet after her main induction valve was improperly closed (a casualty frighteningly reminiscent of Squalus) in diving to escape. (''