Mission essential – Destiny Mitchell, 71st Comptroller Squadron Published April 10, 2013 VANCE AIR FORCE BASE, Okla. -- Approximately 200 Airmen bring their finance challenges to the 71st Comptroller Squadron each month in need of assistance. Airman 1st Class Destiny Mitchell, a customer service technician, is one of the first people those Airmen encounter. She provides guidance on travel vouchers and a variety of other financial documents. Professionals like Mitchell help keep both official and personal finances on track, allowing Team Vance to focus on developing professional Airmen, delivering world class pilots and deploying combat ready warriors.