The Canadian Special Operations Forces Command (CANSOFCOM) is a formation capable of operating independently but primarily focused on generating special operations forces (SOF) elements to support CJOC. The command includes Joint Task Force 2 (JTF2), the Canadian Joint Incident Response Unit (CJIRU) based at CFB Trenton, as well as the Canadian Special Operations Regiment (CSOR) and 427 Special Operations Aviation Squadron (SOAS) based at CFB Petawawa.
 Where is the non-Canadian Joint Incident Response Unit based? (If the question is unanswerable, say "unanswerable")
unanswerable