Flat or Round ? Watch the full video. I wish i could fly to Space and put an end to this.

For every mile the earth curve is 8 inches ...... so 5 miles the drop would be / curve would be 17 feet. so 20 miles would be 265 feet , so how did these war ships see their enemies on the waters back in the 1900s ?

The first Iowa-class ship was laid down in June 1940; in their World War II configuration, each of the Iowa-class battleships had a main battery of 16-inch (406 mm) guns that could hit targets nearly 20 statute miles (32 km) away