April 14, 2022 For the first time at Aviano AB the 31st MDG integrates with 31st SFS for “Trauma Care Under Fire” training For the first time at Aviano Air Base, approximately 40 31st Medical Group technicians conducted joint ‘trauma care under fire’ training with the 31st Security Forces Squadron Military Working Dog K-9 unit, at Aviano Air Base, Italy, April 12, 2022.