![E . ECHO “ECK-OH”](https://flagsbook.com/wp-content/uploads/2023/07/E_Echo.png)
.
ECHO
“ECK-OH”
“I am altering my course to starboard”
International Code of Signals Flags are used to signal between two ships or between ship and shore. Each letter of the alphabet has a different message associated. Flags can also spell out words individually.