SFC Private RallyPoint Member 19676 <div class="images-v2-count-0"></div>is 12C a 12C or is it 21C ? and is 55B a 55B or is it 89B ? Army Military Occupational Specialties 2013-12-12T19:32:00-05:00 SFC Private RallyPoint Member 19676 <div class="images-v2-count-0"></div>is 12C a 12C or is it 21C ? and is 55B a 55B or is it 89B ? Army Military Occupational Specialties 2013-12-12T19:32:00-05:00 2013-12-12T19:32:00-05:00 SFC Rocky Gannon 19679 <div class="images-v2-count-0"></div>A 12C is a 12C  went to 21C for a few years and back to 12C  a 55B went to 89B some years back. Response by SFC Rocky Gannon made Dec 12 at 2013 7:37 PM 2013-12-12T19:37:20-05:00 2013-12-12T19:37:20-05:00 SGT Private RallyPoint Member 19682 <div class="images-v2-count-0"></div>The CMF's change every so often. However, I don't know why.<br> Response by SGT Private RallyPoint Member made Dec 12 at 2013 7:42 PM 2013-12-12T19:42:00-05:00 2013-12-12T19:42:00-05:00 SFC James Baber 19684 <div class="images-v2-count-0"></div>They are always looking for ways to consolidate or eliminate certain MOSs, so this is similar to what they did in the late 80s as well with MOSs that were being combined from the Vietnam era as well. Response by SFC James Baber made Dec 12 at 2013 7:44 PM 2013-12-12T19:44:45-05:00 2013-12-12T19:44:45-05:00 SFC Michael Hasbun 19740 <div class="images-v2-count-0"></div>55B's are now 89A's and 89B's. The MOS split into distinct specialties.. Response by SFC Michael Hasbun made Dec 12 at 2013 9:03 PM 2013-12-12T21:03:42-05:00 2013-12-12T21:03:42-05:00 2013-12-12T19:32:00-05:00