Stepping Down Dr. Karen S. Guice, acting assistant secretary of defense for health affairs, reflects on her tenure at the Pentagon during an interview with DoD News, Dec. 22, 2016. DoD photo by Amaani Lyle SHARE: Download: Full Size (1.48 MB) Credit: Amaani Lyle VIRIN: 161222-D-TM683-001.JPG Photo Gallery