2.5.1.1. Section 1: Operational Context. No change from a regular CDD to the operational context section in the IS-CDD.

For reference or comparison, below is what the JCIDS Manual says for the CDD 2021 itself:

2.5.1.1. The purpose of this section is to provide the operational context in which the capability defined in the ICD are being addressed by the proposed CDD. This information explains how the capability solutions contribute to the missions and activities of the joint force.

2.5.1.1.1. The narrative in the operational context section is to be consistent with DoDAF OVs generated during prior analysis, as modified for the scope and purpose of the CDD, including the DoDAF OV-1, OV-2, OV-4, and OV-5a. In cases where these DoDAF OVs are not available for updating, they shall be generated to support the CDD

2.5.1.1.2 Provide the DoDAF OV-1 in this section. If applicable, include intelligence system connectivity and interoperability in the DoDAF OV-1. Do not include any other DoDAF views in this section unless specifically needed for illustration purposes for the CDD

2.5.1.2. Cite the validated source documents that identify the CR addressed by the CDD and ensure that any source documents not already present in KM/DS are provided to the Joint Staff Gatekeeper for reference purposes.

2.5.1.3. From the source document(s), summarize the operational context(s) associated with the validated requirements addressed by the CDD. Ensure that any changes to operational context(s) that have occurred since validation of the CR are addressed in this section. If any changes to the operational context have been made, ensure the DoDAF OVs submitted with the ICD are updated to reflect the changes.

2.5.1.4. Additionally, if the CDD is not based on a validated JCIDS document, provide the operational context and initial DoDAF OVs as outlined for Section 1 of an ICD.