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U.S. and Qatari Special Operations Forces encounter a gunman role-player, March 24, 2021, during U.S. Central Command’s crisis response exercise Invincible Sentry in Doha, Qatar. The annual bilateral exercise represents a unique opportunity to train with Qatari partners to exercise critical crisis response capabilities. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alex L. Smedegard)

U.S. and Qatari Special Operations Forces encounter a gunman role-player, March 24, 2021, during U.S. Central Command’s crisis response exercise Invincible Sentry in Doha, Qatar. The annual bilateral exercise represents a unique opportunity to train with Qatari partners to exercise critical crisis response capabilities. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alex L. Smedegard)

U.S. Department of State

The Lessons of 1989: Freedom and Our Future