THIS is with reference to Karam A. Siddiqui’s letter ‘PAF: discipline and quality’ (March 7). A modern air force needs to review its concepts of ‘discipline’ and ‘equality’. Discipline should not stop someone from thinking independently as ‘yesmanship’ creates stagnation in an organisation. Freedom of expression is one’s right, whereas taking decisions is commanders’ privilege. However, retaliatory actions on the