Energy Resilience and Conservation Investment Program projects. Sec. 2403. Authorization of appropriations, Defense Agencies. Sec. 2404. Extension of authority to carry out certain fiscal year 2018 Defense Agencies military construction projects. Sec. 2405. Extension and modification of authority to carry out certain fiscal year 2019 Defense Agencies military construction projects. Sec. 2406. Extension of authority to carry out fiscal year 2021 project at Defense Fuel Support Point Tsurumi, Japan. Sec. 2407. Extension of authority to carry out certain fiscal year 2021 Energy Resilience and Conservation Investment projects. Sec. 2408. Authority to carry out military construction projects to improve certain fiscal year 2022 utility systems. Sec. 2409. Additional authority to carry out certain military construction projects to improve certain fiscal year 2023 utility systems. Title XXV—International Programs Subtitle A—North Atlantic Treaty Organization Security Investment Sec. 2501. Authorized NATO construction and land acquisition projects. Sec. 2502. Authorization of appropriations, NATO. Subtitle B—Host Country In-Kind Contributions Sec. 2511. Republic of Korea funded construction projects. Sec. 2512. Republic of Poland funded construction projects. Title XXVI—Guard and Reserve Forces Facilities Sec. 2601. Authorized Army National Guard construction and land acquisition projects. Sec. 2602. Authorized Army Reserve construction and land acquisition projects. Sec. 2603. Authorized Navy Reserve and Marine Corps Reserve construction and land acquisition projects. Sec. 2604. Authorized Air National Guard construction and land acquisition projects. Sec. 2605. Authorized Air Force Reserve construction and land acquisition projects. Sec. 2606. Authorization of appropriations, National Guard and Reserve. Sec. 2607. Extension of authority to carry out fiscal year 2018 project at Hulman Regional Airport, Indiana. Sec. 2608. Extension of authority to carry out fiscal year 2019 project at Francis S. Gabreski Airport, New