Official naval signal
Bravo Zulu
Well done
A naval signal, also written BZ, used to recognize a job well done. Its meaning depends on the signal system in use.
Glossary
NATO Alphabet Expressions
A sourced guide to phrases built from phonetic alphabet words. Each entry is labelled so official signals remain distinct from documented military slang and practical radio usage.
Documented military slang
Oscar Mike
On the move
A spoken military expression for being on the move. It is common lingo, not a formal NATO signal.
Read entry: Military OneSource style guide
Documented military usage
Lima Charlie
Loud and clear
A phonetic expression used during a radio check to report that a transmission can be heard loud and clear.
Read entry: U.S. Army