Rockwell Collins, Richardson, Texas, has been awarded a $12,010,975 definitization (P000013) to previously undefinitized contract FA8204-18-C-0010 (P00005) to implement Security Classification Guide changes. Work will be performed at Richardson, Texas, and is expected to be completed by Dec. 3, 2020. Fiscal 2018, research, development, test and evaluation funds in the amount of $818,227 are being obligated at the time of award. Air Force Nuclear Weapon Center, Hill Air Force Base, Utah, is the contracting activity.