![S . . . SIERRA “SEE-AIR-RAH”](https://flagsbook.com/wp-content/uploads/2023/07/S_Sierra.png)
. . .
SIERRA
“SEE-AIR-RAH”
“I am operating astern propulsion”
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.