Fragmentation and disorganization have plagued Syria’s armed opposition since peaceful protestors took up arms in December 2011 and began forming rebel groups under the umbrella of the Free Syrian Army. A lack of unity has made cooperation and coordination difficult on the battlefield and has limited the effectiveness of rebel operations.

Since the summer of 2012, rebel commanders on the ground in Syria have begun to coordinate tactically in order to plan operations and combine resources. This cooperation has facilitated many important offensives and rebels have taken control of the majority of the eastern portion of the country, overrunning their...