Navy Lt. Orlando Cabrera (left), a native of Plainfield, N.J., conducts a strength test on a patient experiencing muscle pain at the combined aid station on Camp Leatherneck, Helmand province, Afghanistan, Dec. 13, 2013. Cabrera, a physician and medical acupuncturist, routinely uses the age-old practice of acupuncture to treat servicemembers with physical or emotional issues at the base.