2.5.4.5.2. Electromagnetic Spectrum (EMS) Survivability Considerations. CRs should also consider EMS threats when determining initial objective values and include exemplar statement in the ICD for the appropriate EMS Survivability Risk Category. An exemplar statement can be provided in an (optional) Appendix F to the ICD. Refer to Annex C to Appendix G of this enclosure and the DoD Guidebook for Electromagnetic Spectrum Survivability which can be found on KM/DS IAW Reference [4] for EMS Survivability requirements.