The main purpose of this legislation is to prevent any changes to the powers and responsibilities of the Commander of United States Cyber Command for the fiscal year 2026. It aims to ensure that the current command structure and authorities remain intact and are not altered through the use of Department of Defense funds. The key provision of this legislation is a strict prohibition on the use of any funds allocated to the Department of Defense for the fiscal year 2026 to modify or reorganize the authorities or responsibilities of the Commander of Cyber Command.