Not truly on topic but makes one wonder how many we are training.

(U) Gang-related activity in the US military is increasing and poses a threat to law enforcement officials and national security. Members of nearly every major street gang have been identified on both domestic and international military installations. Although most prevalent in the Army, the Army Reserves, and the National Guard, gang activity is pervasive throughout all branches of the military and across most ranks, but is most common among the junior enlisted ranks. The extent of gang presence in the armed services is often difficult to determine since many enlisted gang members conceal their gang affiliation and military authorities may not recognize gang affiliation or may be inclined not to report such incidences. The military enlistment of gang members could ultimately lead to the worldwide expansion of US-based gangs.
Full Assessment