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DATA ITEM DESCRIPTION
Title: SPECTRUM SUPPORTABILITY RISK ASSESSMENT (SSRA)
Number: DI-EMCS-81543 Approval Date: 20120120
AMSC Number: 9157 Limitation:
DTIC Applicable: No GIDEP Applicable: No
Office of Primary Responsibility: DISA (DC5)
Applicable Forms:
Use/relationship: This DID contains the format and content preparation instructions for data
resulting from a solicitation for the preparation of an SSRA. It is intended for S-D systems and
equipment, including commercial items (CIs) and non-developmental items (NDIs) that are S-D,
employed on airborne, sea, space, and ground platforms and systems.
a. An SSRA is an assessment performed by program managers (PMs) and materiel developers
(MATDEVs) on all programs that are acquiring or incorporating spectrum-dependent (S-D)
systems or equipment. Its purpose is to identify and assess an acquisition’s potential to affect the
required performance of the newly acquired system or other existing systems within the
operational electromagnetic environment (EME). This assessment will be accomplished with
due consideration given to potential regulatory, technical, and operational spectrum and
electromagnetic (EM) environmental effects (E3) risks. Requirements for the submission of
SSRAs during the Defense Acquisition System (DAS) process, as depicted in Table I, are
established by the following:
(1) Department of Defense Instruction (DoDI) 4650.01 which requires the submission of an
SSRA prior to each acquisition milestone (MS).
(2) Chairman of the Joint Chiefs of Staff Instruction (CJCSI) 6212.01 which requires the
submission of SSRAs prior to each acquisition MS and readiness reviews.
(3) DoDI 4630.8 which requires the results of the SSRAs for information technology and
national security systems be included in the Information Support Plan (ISP).
Guidance for conducting the tasks outlined in Table I can be found in Department of Defense
Directive (DoDD) 3222.3, MIL-HDBK-237, and MIL-HDBK-235-1C and its supplemental
parts. Copies of DoD Instructions and Directives are available online at
https://www.dtic.mil/whs/directives/
. CJCSI 6212.01 can be found at www.dau.mil. For copies
of the classified and limited distribution parts of MIL-HDBK-235, see the Foreword of MIL-
HDBK-235-1C.
b. SSRAs are required throughout the acquisition process as depicted in Table I. The Military
Department (MILDEP) Spectrum Management Office (SMO) and PM/MATDEV should be
consulted regarding the application and tailoring of the SSRA, availability of data, and to ensure
that all user requirements are met.
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