This is a unit of the air force. Squadron with british and american units of the air forces we translate always as squadron regardless of the number of aircraft the unit assigned, although this method is currently sometimes occurs and leads to the translation of the words Squadron as squadron.
The English word Squadron, however, has multiple meanings. One of them is the right squadron in the air force. Can also deal by eskadronu for gendarmerie and cavalry, including helicopter units of the u.s. army air force, or squadron in the navy.
Air force the Luftwaffe known as Staffel should be translated to English as squadron, but to the English as Squadron, since it is a long established convention..