Cygnys OA-6 Mission Patch. Representing the 5th SLS suport squadron responsible for the oversight of the Atlas V Launch Vehicle. The patch shows 5 red stars representing the 5th SLS support squadron which oversees the integration of the Atlas V launch vehicle. AV-64 is the tail number of the Vehicle. Cygnus is the name of this family of satellites named after the Cygnus Constellation. Cygnus is the Latinized word for Swan. 6 stilized swans are depicted on the circumference of the patch.