From: Southern California
Look at the composition of the unit that went glub glub off Merak.
Night Time Surface Combat, near Merak at 48,97, Range 8,000 Yards
xAP Brazil Maru, Shell hits 8, Torpedo hits 3, and is sunk
xAP Koan Maru, Shell hits 22, and is sunk
xAP Huso Maru, Shell hits 9, Torpedo hits 1, and is sunk
SC CHa-5, Shell hits 1, and is sunk
SC CHa-17, Shell hits 2, and is sunk
SC CHa-20, Shell hits 1, and is sunk
Japanese ground losses:
485 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 9 destroyed, 66 disabled
Engineers: 0 destroyed, 0 disabled
Guns lost 33 (7 destroyed, 26 disabled)
This could be an artillery unit or a AAA unit, but what would make the most sense would be a CD gun unit.
Well done sir!