Security officers and other military personnel at Naval Air Station-Corpus Christi took part in a major exercise Tuesday called Operation Citadel Shield.

It is a two-week event that involves U.S. Naval facilities all around the world. Tuesday's scenario focused on the entry gates -- a driver who was ostensibly being held hostage and forced to run his vehicle through the gates.

Kiii News Reporter Briana Whitney looked into the training scenario and came back with the details.