romeo (naval flag)

Maritime signal flag 'Romeo'.

Unusual for an ICS flag, Romeo has no singular meaning. Stands in for the letter 'R'.

Distance (range) in nautical miles.

Identified as a red square with a yellow cross in the diagonal.

When paired with Oscar and Uniform, it becomes the IJNAS signal 'R-O-U', which means 'I am going to steam into the wind for launch operations'.