MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Orovides real-time metric tracking and trajectory measurment, launch and payload flight performance, event monitoring, and positive control of launch phase using a command/destruct system; ancillary elements perform range saftey surveillance, weather monitoring, insturmentation control, and support for dod managers space transportation syste (sts) contingency support operations
