Central Intelligence Agency, Single Scope Background Investigation
“ For military members, all service within one branch of the armed forces will be considered as one employment, regardless of assignments. (e) References: Interviews with two character references who are knowledgeable of the subject; at least one will be a developed reference. To the extent practical, both should have social knowledge of the subject and collectively span the entire period of the reinvestigation. As appropriate, additional interviews may be conducted, including with cohabitants and relatives. ”
