Abstract: Little research has explored the perceptions of military medical providers in the deployed environment and how their perceptions may change over time across an extended military conflict. To our knowledge, no studies have examined military medical providers’ opinions on readiness for their roles in the post-9/11 contingency operations. What has been published indicates that, during the height of Operation Iraqi Freedom, military medical providers often deployed with little notice and minimal formal training. The present report examines data obtained from multiple cohorts of military medical providers (