Requirement is for specialized, advanced Tactical Combat Casualty Care (TCCC) training. This course must provide specialized medical training directly utilizing a strict five-to-one (5:1) student-to-i... Requirement is for specialized, advanced Tactical Combat Casualty Care (TCCC) training. This course must provide specialized medical training directly utilizing a strict five-to-one (5:1) student-to-instructor ratio for eight (8) students. Please review SON for more information regarding the requirement.