U.S. Marines with Delta Company, 1st Tank Battalion, 1st Marine Division, clear and control a notional breach site occupied by enemy forces to gain control of the battlefield in support of Exercise STEEL KNIGHT aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Dec. 14, 2013. Exercise STEEL KNIGHT is a 1st Marine Division exercise conducted to successfully demonstrate the capability to exercise command and control over forces in a distributed environment with long range movement, while conducting offensive and defensive maneuver and operations integrated with supporting arms. Video by Cpl. Joseph Peterson | 1st Marine Division - Combat Camera | Date: 12.14.2013 -- AiirSource - Thumbs up for the troops! Your source for current- and archival military/aviation videos. Favorite this video and subscribe to AiirSource for future updates. Subscribe to AiirSource: http://youtube.com/AiirSource Join the conversation on Facebook: http://facebook.com/AiirSource Add AiirSource to your circles on Google+: http://google.com/+AiirSource Follow AiirSource on Twitter: http://twitter.com/AiirSource Check out our photostream on Flickr: http://www.flickr.com/AiirSource Find us on the web: http://www.AiirSource.com