The HCA shall establish procedures for reviews of service acquisitions as delegated. Contracting officers shall forward, through the contracting chain as necessary, service acquisitions meeting the review thresholds identified in Appendix GG to the appropriate approval authority for review and approval prior to issuance of the solicitation. For service acquisitions requiring USD(AT&L), DASA(P) or SSM review and approval, the HCA (or SCO if delegated) will submit the acquisition strategy via the TMT to the Office of the DASA(P), ATTN: Senior Services Manager usarmy.pentagon.hqda-asa-alt.list.saal-p-ssm@mail.mil . At a minimum, the strategy will contain all the information included at 5137.590-6.