This from Josh Boyajian:

Chicago FD Battalion 1. Josh Boyajian photo

Chicago FD Battalion 8. Josh Boyajian photo

Chicago FD Battalion 9. Josh Boyajian photo

Chicago FD Battalion 11. Josh Boyajian photo

Chicago FD Battalion 16. Josh Boyajian photo

Chicago FD Battalion 21. Josh Boyajian photo

Chicago FD 2-2-6. Josh Boyajian photo