ELLSWORTH AIR FORCE BASE S.D.-1st Lt. Shelly Hanson, 28th Medical Operations Squadron nurse case manager, conducts an inspection of an oral-suction catheter, July 6. The catheter is used to remove phlegm, vomit, saliva or any other fluid from a patient’s airway or stomach. (U.S. Air Force photo/Staff Sgt. Marc I. Lane)