K-9 GREETING Defense Secretary Leon E. Panetta greets Sasha, a military working dog, while walking through the halls of the Pentagon, July 23, 2012. Sasha and her handler, Pentagon Force Protection Officer Wilson, are part of the Pentagon's Police K-9 unit and are assigned to provide protection for the secretary, all visiting dignitaries, and Defense Department personnel. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 384455-L-DLH84-838.jpg Photo Gallery