AIR-BREATHING AND ROCKET BOOSTER TESTING CAPACITY UPGRADES TO SUPPORT CRITICAL HYPERSONIC WEAPONS DEVELOPMENT.

SEC. 216. AIR-BREATHING AND ROCKET BOOSTER TESTING CAPACITY UPGRADES TO SUPPORT CRITICAL HYPERSONIC WEAPONS DEVELOPMENT. (a) In General.—Subject to the availability of appropriations for such purpose, the Secretary of the Air Force shall carry out activities to upgrade testing facilities of the Department of the Air Force that support the development of critical hypersonic weapons that— (1) use air-breathing or rocket booster capabilities; and (2) are expected to operate in sea-level or high-altitude operational domains. (b) Timeline for Completion.—The Secretary of the Air Force shall seek to complete any upgrade under subsection (a), subject to availability of appropriations for such upgrade, not later than 24 months after the upgrade is commenced.