‘It’s as if your soul takes in a deep breath’ Polk chaplain resets spirit during journey by Patricia Dubiel | Jun 17, 2019 | Air Force Chaplain, DVIDS Chaplain | 0 comments Chap. (Lt. Col.) Derrick Riggs’ riding team for Rolling Thuinder (from left) Air Force Chap. (Col.) George Youstra, Retired Gen. Phillip Breedlove, former assistamt secretary of the Air Force Terry Yonkers, and Riggs.