Page "PT boat" Paragraph 39

Towards the end of the war, beginning in 1945, PTs received two eight-cell Mark 50 rocket launchers, launching spin-stabilized flat trajectory Mark 7 and / or Mark 10 Rockets with a range of.

These 16 rockets plus 16 reloads gave them as much firepower as a destroyer's guns.

By war's end, the PT boat had more " firepower-per-ton " than any other vessel in the U. S. Navy.