Petty Officer 2nd Class Jessica Sullivan, a health services technician assigned to Coast Guard Base Seattle, administers an eyesight exam to Fireman Candace Stebbins at the base clinic, Aug. 27, 2014. Health services technicians are trained to perform a variety of health services including diagnostic testing, x-rays, lab tests, prescribing medications, administering immunizations and performing minor surgical procedures. (U.S. Coast Guard photo by Petty Officer 3rd Class Katelyn Shearer)