Firefighters assigned to the 124th Fighter Wing's Civil Engineer Squadron train on breeching doors and walls in an adandoned building at Gowen Field December 2, 2017, in Boise, Idaho. #idahonationalguard #idahoairnationalguard #idahoairguard #airguard #airnationalguard #fire #firefighter #usaf #airforcefirefighter #firefightertraining #civilengineer #124thfighterwing #gowenfield #militaryfirefighter #airman #citizenairmen #breech #firedepartment #fightfire #burn #firestation #firehouse #firelife #firefighterlife #firefighterheros #firefightertraining