Uploaded November 2023 | Updated September 2026, 2 weeks ago

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Mystery Object #1 is a set of blocks used by the Canadian Armed Forces (in this case the Royal Canadian Air Force) to plan drill, parades, inspections, and other ceremonial events. The complete set of drill symbols and their proper use can be found in The Canadian Forces Manual of Drill and Ceremonial: canada.ca/en/services/defence/caf/military-identity-system/drill-manual.html