Senior Airman Jenina Rose reacts to being tased by Staff Sgt. Neil White after volunteering to display the effects a taser gun will have on an assailant as part of the annual Use of Force and Taser certification training, Oct. 18, Joint Base Charleston, S.C. The taser is a preventive measure for further use of force and often prevents unnecessary loss of life. Rose and White are from the 628th Security Forces Squadron.