Subject
- Canada. Royal Canadian Navy4
- Military history4
- Military education3
- Scuba diving3
- Swissair Flight 111 Crash (1998)3
- Underwater demolition teams3
- Canada. Canadian Armed Forces1
- Canada. Canadian Armed Forces. Canadian Submarine Service1
- Cold War (1945-1989)1
- Improvised explosive devices1
- Military exchanges1
- Military operations, Naval--Submarine1
- Soldiers1
- Submarine warfare1
- Submarines (Ships)1
- Submersibles1
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