HAWC shines a light on SADness
Richard Salvidge receives a healthyh dose of light therapy October 4, 2010, at Eielson Air Force Base, Alaska. Light therapy from these lamps, more commonly known as happy lights, are a preventative measure against seasonal affective disorder or SAD. Mr. Salvidge is a civilian contractor out of Heidelberg, Germany. U.S. Air Force photo by/Airman 1st Class Yash Rojas.