Wing commander (rank) Wing commander (rank) Wing commander (Wg Cdr in the RAF, the IAF, and the PAF, WGCDR in the RNZAF and RAAF, formerly sometimes W/C in all services) is a senior commissioned rank in the Royal Air Force and the air forces of many countries which have historical British influence, including many Commonwealth countries but not including Canada (since Unification) and South Africa. It is sometimes used as the English translation of an equivalent rank in countries which have a non-English air force-specific rank structure. It ranks immediately above squadron leader and immediately below group captain. It has a NATO ranking
Captain (British Army and Royal Marines) Captain (British Army and Royal Marines) Captain (Capt) is a junior officer rank of the British Army and Royal Marines and in both services it ranks above lieutenant and below major with a NATO ranking code of OF-2. The rank is equivalent to a lieutenant in the Royal Navy and to a flight lieutenant in the Royal Air Force. The rank of captain in the Royal Navy is considerably more senior (equivalent to the Army/RM rank of colonel) and the two ranks should not be confused. In the 21st-century British Army, captains are often appointed to be second-in-command of a