CMP is an intuitive Java® application designed to process military messages in a structured format. It serves as a vital tool within the United States Department of Defense, facilitating communication between tactical users, email platforms, legacy systems, and web-enabled interfaces. The application is equipped with features for parsing, validating, journaling, generating, and editing military standard (MIL-STD) messages, ensuring that each message adheres to the necessary protocols. CMP meticulously checks the structure, content, and context of messages according to the relevant MIL-STD specifications. This portable software is compatible with multiple platforms, including Windows x86/x64 and Linux x86/x64. Furthermore, it offers a comprehensive Java Application Programmer Interface (API) for developers. Notably, CMP has undergone independent validation through Conformance to Standards (CTS) testing conducted by the Joint Interoperability Test Command (JITC), confirming its reliability. It also ensures backward compatibility with existing systems by supporting various MIL-STD headers and multiple message baselines, including annual updates, thereby enhancing its utility in military communications. With its robust capabilities, CMP is a critical asset for maintaining effective and standardized messaging within military operations.