Navies simulate fire damage with very different risk tolerances

What is the most striking difference between navies testing the same shipboard hazard?

Their firefighting tests can differ sharply: most use smoke bombs, but one navy still lights a real fire for the initial test.

The contrast is about how much danger a service accepts while proving the crew's response. The navy that uses a live fire is deliberately left unidentified, while the Royal Navy is explicitly described as using smoke. Shock testing is more standardized around an explosive event near the ship.