Air Force Maj. Aaron Cook, center, works with airmen during Exercise Swift Response 16 in Hohenfels, Germany, June 16, 2016. Cook is a liaison officer assigned to the 621st Mobility Support Operations Squadron Air Mobility, and the airmen are airfield assessment members assigned to the 821st Contingency Response Group. The exercise, a military crisis response training event for multinational airborne forces, has more than 5,000 participants from 10 NATO nations. Air Force photo by Master Sgt. Joseph Swafford