they use to give them out as rewards for MLOC (minimum level of competence) training every year every soldier has to complete MLOC or now worrior training on basic skills ie fireing standard C-7 ,comms, first aid, navigation, weapons knowlage, mine training as well as NBC-D, it also included a 12k ruck march followed by a 100m firemans carry or a 5k run in full fighting order (helmet webbing rifle) both had to be completed in a certain time. based on the score you recieved a gold silver or bronze pin.
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