This document summarizes the first use of digitally aided close air support (DACAS) in combat by US Marines in Afghanistan. It describes how the 1st Battalion, 6th Marines tactical air control party (TACP) and aircraft from Marine Attack Squadron 231 had trained extensively with the DACAS system called StrikeLink prior to deployment. They conducted the first DACAS strike in Marine Corps history on 19 February 2010, disproving claims that DACAS was not a viable option for combat. The author provides details of the TACP's training plan in the months leading up to deployment to achieve proficiency with StrikeLink. This included classroom instruction, live-fire exercises, and a major training exercise incorporating DAC