What is this mysterious massive container that washed up on a Florida beach?

On Friday in Brevard County, Florida, visitors noticed this massive metal container that apparently washed up on the beach. It's approximately 20 feet long and 8 feet tall. Canaveral National Seashore resource manager Kristen Kneifl thinks it could be a ballast tank from a ship while others wonder if it's an oil drum or fuel container. — Read the rest