See MP5301.601(a)(i).

(S-90) HQ AFICC is the Department of the Air Force HCA designee for all delegable HCA responsibilities during contingency operations when determined by the HCA and may become the Joint Theater Support Contracting Command (JTSCC) or Joint Task Force Contracting commanding general if designated in the Combatant Commander’s (CCDR) plan IAW AFI 64-105. HCA authorities already delegated to a Senior Contracting Officer or a lower level in MP5301.601(a)(i) will remain in effect and do not need to be re-delegated.