Here we see an example of what the fuel tank from target E3T may have looked like.
Engine Room
Image courtesy of the Search for the Lost French Fleet of 1565 Expedition, NOAA-OER/St. Augustine Lighthouse & Museum. Download larger version (jpg, 452 KB).

Here we see an example of what the fuel tank from target E3T may have looked like. This is the engine room of the shrimp boat Captain Frisky in 1961. It has four fuel tanks, two on each side. Note the elbow brackets on the top and bottom of the tanks. One of these ripping away from the tank in a wrecking event may have caused the hole visible on the tank from target E3T.

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