Staff Sgt. Brian Dinning monitors the firebucket as it fills with water during the 6th annual aerial Wild Land Fire Fighting exercise here May 9. Dinning is a crew chief with Marine Medium Helicopter Training Squadron-164 with the air station here. - Staff Sgt. Brian Dinning monitors the firebucket as it fills with water during the 6th annual aerial Wild Land Fire Fighting exercise here May 9. Dinning is a crew chief with Marine Medium Helicopter Training Squadron-164 with the air station here.