Final answer:
DD Forms 365-4 must be signed and dated to certify current accuracy, maintaining aviation safety and readiness.
Step-by-step explanation:
The DD Forms 365-4, which are part of aviation resource management in the military, should be signed and dated in the date block to certify their currency if no changes are required. This process ensures that the forms, which are used to record aircraft weight and balance data, are up-to-date and reflect current information. It is a critical step in maintaining the safety and readiness of aviation operations within the military.