avg_rating: 4.55
name: K. Black
about: K. Black is the pen name for a twenty year veteran of the military and law enforcement. K.Black's interest in functional fitness came about while serving in various physically demanding units, as an infantryman, paratrooper, operator, and subject matter expert on a federal hostage rescue team. K. Black is the pen name for a twenty year veteran of the military and law enforcement. K.Black's interest in functional fitness came about while serving in various physically demanding units, as an infantryman, paratrooper, operator, and subject matter expert on a federal hostage rescue team. ...more