Quarrying Specialist (21G) (ArmyStudyGuide). extensive information about Quarrying Specialist (21G) (ArmyStudyGuide) . Job training for a General Construction Equipment Operator consists of nine.employment quarrying specialist,24 jobs you didn't know the US military had - We Are The MightyMay 27, 2015 . Here are 24 of the most unexpected careers a recruit can choose. ... Part of the Army's engineer corps, quarrying specialists blast rocks with.
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