TRIPLE NICKLES Gen. George W. Casey Jr., left, chief of staff of the Army, talks with Roger Walden, one of the three survivors of the original "Triple Nickle" unit, during a recognition ceremony at the Pentagon, March 25, 2010. The 555th Parachute Infantry Battalion, or "Triple Nickles," was the nation's first all-black parachute infantry test platoon, company and battalion. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 771357-X-PFU20-093.jpg Photo Gallery