How does a PT boat get rammed by a destroyer? PT boat, light and maneuverable, destroyer, not so much.
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"PT-109 was ordered to continue patrolling the area in case the enemy ships returned. Around 2:00 a.m. on 2 August 1943,
on a moonless night, Kennedy's boat was idling on one engine to avoid detection of her wake by Japanese aircraft when the crew realized they were in the path of the Japanese destroyer
Amagiri, which was returning to
Rabaul from Vila,
Kolombangara, after offloading supplies and 900 soldiers.
Amagiri was traveling at a relatively high speed of between 23 and 40 knots (43 and 74 km/h) in order to reach harbor by dawn, when Allied air patrols were likely to appear.
The crew of the PT-109 had less than ten seconds to get the engines up to speed, and were run down by the destroyer between Kolombangara and
Ghizo Island."
Motor Torpedo Boat PT-109 - Wikipedia the free encyclopedia