Originally formed on 20 April 1936 at Laverton in Victoria, as a reserve unit of the Citizen Air Force, 21 Squadron flew wartime patrols escorting troopships.
No. 21 Squadron is a Royal Australian Air Force (RAAF) general reserve squadron. Formed in the as a unit of the part-time Citizen Air Force (CAF), History · Battle honours · Notes · References.
No 21 Squadron, Laverton, May Search for Sir Herbert Gepp. Hawker Demons at Alice Springs. (l/r): Sqn Ldr Charles Eaton, LAC Hellwig. 21 sqn