No. 21 Squadron, Finnish Air Force

Fighter Squadron 21 (Hävittäjälentolaivue 21, HävLLv 21) was a Finnish fighter squadron located in Pirkkala, near Tampere. It was the operational part of the Satakunta Air Command. The squadron was disbanded in June 2014, with the fighters being split between Karelian Air Command and Lapland Air Command.