My cargo ship briefly lost power at sea. Here's how merchant mariners are trained to deal with it.

• Bryan Boyle, a YouTuber and second mate on a cargo ship, detailed how workers are trained to deal with emergencies.
• The merchant mariner said incidents like the Baltimore bridge collapse are incredibly rare at sea.
• Boyle said he was on a ship that lost power briefly and his training kicked in.

This as-told-to essay is based on a conversation with second mate Bryan Boyle, a merchant mariner and YouTuber who has worked as a deck officer on various cargo ships for over a decade. The following has been edited for length and clarity.