TWICE DEPLOYED Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, greets U.S. Army Staff Sgt. Shasha Maria-Martin before Florida State University's commencement ceremony in Tallahassee, Fla., April 30, 2011. Martin, a twice-deployed Iraq veteran, graduated with a degree in International Relations. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 623539-K-VGG52-332.jpg Photo Gallery