Col. Joseph Tringe
Col. Joseph Tringe is one of the nearly two dozen Air Force Reservists who serve on the Reserve Hypersonics Team, an advisory group of experts who support the Air Force's various hypersonic programs. Tringe is pictured outside the Lawrence Livermore National Laboratory in California, where he leads the Nondestructive Evaluation Group. (Garry McLeod, LLNL)

Download Image: Full Size (2.74 MB)
Photo by: Garry McLeod |  VIRIN: 200716-F-ZZ001-009.JPG