What were the years of the four Middle Eastern deployments following activation in Fort Riley?

The correct response identifies the specific years during which the four Middle Eastern deployments occurred following activation at Fort Riley. The timeframe of 2006, 2007, 2009, and 2010 accurately captures the sequence and timing of these deployments, reflecting the operational tempo and military engagements during those years.

Understanding the history of military operations helps contextualize the significance of each deployment, as they were likely influenced by developments in the region and U.S. military strategy. This timeline facilitates a clear alignment with the broader operational history of U.S. forces in that period, marking important shifts in mission focus and personnel involvement.

The other options do not provide the same level of accuracy or completeness regarding the specific years of deployment, either including incorrect years or not capturing the correct sequence of deployments. Thus, the chosen answer's accuracy is essential for understanding the timeframe of military engagement in the Middle East following activation in Fort Riley.