Promotions for January 2010Master SergeantSarah Bobnick, 446th AESTonya Lubin, 446th AMDSMichael Sheehan, 446th MXSTechnical SergeantRoger Crook, 36th APSGeoffrey Francis, 446th AESLeslie Mullen, 446th MXSEugene Sprouse, 446th MOFStaff SergeantJanelle Bowers, 446th MSSMichael Chapman, 446th