squadron

squad|ron /skw'ɒdrən/ (squadrons)
[N-COUNT-COLL]
A squadron is a section of one of the armed forces, especially the air force.
The government said it was preparing a squadron of eighteen Mirage fighter planes.squad|ron lead|er (squadron leaders)
[N-COUNT; N-TITLE]
A squadron leader is an officer in the British air force who has a rank above that of flight lieutenant.