Ma'anar ƙamus na "Kyaftin Rukunin" babban matsayi ne da aka ba da izini a cikin Rundunar Sojan Sama na Sarauta da wasu sojojin sama, daidai da Kanal a cikin sojoji. Kalmar "Group" tana nufin samuwar 'yan wasa, kuma Kyaftin Rukuni ne ke da alhakin ba da umarni ga rukunin irin wadannan 'yan wasan. Matsayin Kyaftin Rukunin ya fi matsayin Wing Commander kuma yana ƙasa da matsayin Air Commodore.