Sub-lieutenant is usually a junior officer rank, used in armies, navies and air forces. In most armies, sub-lieutenant is the lowest commissioned officer...

to the lieutenant, they went by many names, including second lieutenant, sub-lieutenant, ensign and cornet. Some parts of the British Army, including...

than the usual equivalents, such as acting sub-lieutenant or second lieutenant). The rank of second lieutenant (2Lt) was introduced throughout the British...

senior rank of lieutenant commander was formerly a senior naval lieutenant rank. Many navies also use a subordinate rank of sub-lieutenant. The appointment...

Royal Naval Air Service sub-lieutenants (entitled flight sub-lieutenants) and Royal Flying Corps lieutenants becoming lieutenants in the RAF. However, with...

formations, but in most forces it is sub-divided into a senior (first lieutenant) and junior (second lieutenant) rank. In navies, while certain rank insignia...

From 1955 to 1993 there was a rank of acting sub-lieutenant, with the same rank insignia as a sub-lieutenant. Naval pilots in the Fleet Air Arm (and earlier...

Lieutenant colonel (UK: /lɛfˈtɛnənt ˈkɜːrnəl/ lef-TEN-ənt KUR-nəl, US: /luːˈtɛn-/ loo-TEN-) is a rank of commissioned officers in the armies, most marine...

uniformed services (the Army, Marine Corps, Air Force, and Space Force) and sub-lieutenant in the Royal Navy and the navies of many Commonwealth countries. Promotion...

commanding areas are also officers of the rank of Lieutenant general. Areas are static formations which consist of sub-areas. At army headquarters, the principal...