A few nice National Security images I found:

120222-N-LE393-029

Image by U.S. Naval War College
120222-N-LE393-029 NEWPORT, R.I. (Feb. 22, 2012) Students in the National Security Decision-Making course attend their final exercise in Spruance auditorium at the U.S. Naval War College. The students have to present a seminar on a vision for U.S. national security to a panel of senior national-security professionals. (U.S. Navy photo by Mass Communication Specialist 2nd Class Eric Dietrich/Released)

120222-N-LE393-024

Image by U.S. Naval War College
120222-N-LE393-024 NEWPORT, R.I. (Feb. 22, 2012) Students in the National Security Decision-Making course attend their final exercise in Spruance auditorium at the U.S. Naval War College. The students have to present a seminar on a vision for U.S. national security to a panel of senior national-security professionals. (U.S. Navy photo by Mass Communication Specialist 2nd Class Eric Dietrich/Released)