An AI model extracted this from the bill’s official record and can make mistakes. Check the official text ↗ (opens in new tab)

Under Secretary of Defense for Acquisition and Sustainment

A high-ranking civilian leader within the Department of Defense responsible for overseeing the acquisition of equipment and services, and the sustainment of military capabilities.

Space Launch Delta

A unit within the U.S. Space Force responsible for operating and maintaining space launch facilities, such as those at Vandenberg Space Force Base (Space Launch Delta 30) or Cape Canaveral Space Force Station (Space Launch Delta 45).

Sonic Boom

A shockwave produced when an object, like a rocket or aircraft, travels through the air faster than the speed of sound, causing a loud sound similar to an explosion.

C-weighted/A-weighted noise

Different ways to measure sound levels. A-weighted measurements approximate how the human ear perceives loudness, while C-weighted measurements are less filtered and better capture low-frequency sounds and impulsive noise like sonic booms.

PK 15

A specific calculated peak noise level, without frequency weighting, that is expected to be exceeded by 15 percent of all space launch activities of the Department of Defense.

Covered facility

A specific type of building, such as a hospital, school, daycare, senior center, or private home, that was built before January 1, 2026, and is not owned by the federal government, which could be eligible for noise mitigation assistance.