Which OPTASK LINK set specifies the required crypto and CVLL to be loaded?

The OPTASK LINK set that specifies the required crypto and CVLL (Cryptographic Variable Load List) to be loaded is indeed the CVLL. This document is crucial as it contains essential information for establishing secure communications within military operations, detailing the cryptographic keys and variables needed for devices that utilize the Link-16 communication network.

The CVLL ensures that all members within the network are operating with the correct encryption parameters, which is vital for maintaining operational security and preventing unauthorized access to sensitive information. Properly managing and loading the CVLL enhances the effectiveness of joint operations by ensuring that all parties involved can communicate securely and efficiently.

In contrast, the other choices may contain relevant information about operations and communications but do not specifically detail the crypto and CVLL requirements. The OPTASK LINK 3 is a broader directive that may cover various communications parameters but does not concentrate solely on cryptographic specifics. The JTIDS/MIDS Network Plan presents a framework for network setup without the granularity of crypto specifics. The Operational Data Plan similarly focuses on overall operational parameters and coordination rather than the specific crypto load and variables.