and Partner Capability 401. Mission partner environment There is authorized to be appropriated to the Secretary of Defense $50,000,000 for fiscal year 2021 for a program to enable communications capability and interoperability requirements to modernize communications architecture and systems with allies and partners in the Indo-Pacific region, including exercise planning, execution, and associated equipment purchasing costs. 402. Counter-terrorism information facility There is authorized to be appropriated to the Secretary of Defense $2,000,000 for fiscal year 2021 for technical support to build multilateral partnership capacity focused on counter-terrorism in the Indo-Pacific region. 403. Indo-PACOM and National Guard-related engagements (a) In General The Commander of United States Indo-Pacific Command, in coordination with the Chief of the National Guard Bureau and the Adjutant General of each State participating in the National Guard State Partnership Program, shall seek to build partner capacity and interoperability through increased military-to-military engagements, National Guard Bureau pay and allowances, and traditional activities of the combatant commands. (b) Authorization of appropriations There is authorized to be appropriated to the Secretary of Defense $6,133,199 for fiscal year 2021 to carry out this section. 404. Security cooperation and capacity building There is authorized to be appropriated to the Secretary of Defense $290,662,000 for fiscal year 2021 for security cooperation programs dedicated to the United States Indo-Pacific Command, including the Indo-Pacific Maritime Security Initiative. 405. Pacific Partnership There is authorized to be appropriated to the Secretary of Defense $5,380,000 for fiscal year 2021 for the annual multilateral humanitarian and civic assistance and disaster relief preparedness mission conducted in the Indo-Pacific region known as Pacific Partnership. V Matters Related to Exercises and Training 501. Joint exercise program There is authorized to be appropriated to