Welcome to CQB, LLC & RPF Publishing. Owned and operated by Chuck Habermehl, a decorated U.S. Marine Vietnam Veteran who served his country from 1971 to 1975. During his 38 years in law enforcement, he achieved the rank of Deputy Chief in an active urban jurisdiction of Miami-Dade County. In 1994, Habermehl founded the training company Direct Action Defensive Systems, … Continue reading Home