50 Caliber WWII shell casing found on the beach in NC. Made 1943

Commencement Bay class escort carriers (1943)

What is the longest range shell that can be fired from a battleship? - Quora

In world war II did American Navy ships recycle their shell casings? - Quora

Solomon Islands Campaign: X Operations in the New Georgia Area 21 June-5 August 1943

Cartridge case terminology and identification – Stephen Taylor, WW2 Relic Hunter

50 Caliber WWII shell casing found on the beach in NC. Made 1943

In WW2, how were spent shell cases on warships disposed of? - Quora

Antiaircraft Action Summary

Cartridge case terminology and identification – Stephen Taylor, WW2 Relic Hunter