The Royal Canadian Navy was active in operations along the Pacific coast from 1939 to 1945, patrolling British Columbia waters and helping to support the Allied war effort. West coast shipyards built ships for the navy and the merchant navy.
This fragment comes from one of the shells that a Japanese submarine fired at Estevan Point on Vancouver Island.
On 20 June 1942, the Japanese submarine I-26 shelled the isolated wireless (radio) station and lighthouse at Estevan Point, British Columbia. While the attack inflicted no damage on the facilities and caused no injuries, the incident grabbed public attention
Naval Museum of Alberta