warrant officer class 1

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Australia, Army A warrant officer in the Australian Army, ranking above warrant officer class 2 and below regimental sergeant major.
• noun UK, Army, Navy, Marines A warrant officer in the British Army, Royal Marines, and Royal Navy, ranking above warrant officer class 2. In the army the rank held by a regimental sergeant major.