Premise: No. 27 Squadron RAAF is a Royal Australian Air Force (RAAF) reserve and ground support squadron located at RAAF Base Townsville, Queensland. The squadron was formed on 1 July 1981 to recruit and train RAAF reservists in the Townsville area and in July 2010 took on the additional role of providing support services to RAAF Base Townsville.
Hypothesis: No. 20 Squadron RAAF was formed on 1 July 1981