SHOT STRATEGY U.S. Army Capt. Rebecca Carden, left, calms a horse as Pfc. Angela McCormick prepares to give it a vaccination during a veterinary visit to a farm in Costa Rica, Aug. 22, 2010. SHARE IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 957499-T-TMZ29-911.jpg Photo Gallery