title: O7
text: # O7
  
  O7 may refer to:
  
  * O7 star, a subclass of O-type stars
  * LNER Class O7, a class of British steam locomotives
  * O7, the IATA airline designator for OzJet
  * o7, an emoticon for a person saluting
  * O-7, a pay grade in the US uniformed services:
     * Brigadier General in the Army, Marine Corps, Air Force, and Space Force
     * Rear admiral (lower half) in the Navy, Coast Guard, Public Health Service Commissioned Corps, and NOAA Commissioned Officer Corps
  