Security Administration Act and Atomic Energy Defense Act (a) Definitions in National Nuclear Security Administration Act Section 3281(2)(A) of the National Nuclear Security Administration Act ( 50 U.S.C. 2471(2)(A) ) is amended by striking Plant and inserting National Security Campus . (b) Amendments to Atomic Energy Defense Act (1) Definitions Section 4002(9)(A) of the Atomic Energy Defense Act ( 50 U.S.C. 2501(9)(A) ) is amended striking Plant and inserting National Security Campus . (2) Stockpile stewardship, management, and responsiveness plan Section 4203 of the Atomic Energy Defense Act ( 50 U.S.C. 2523 ) is amended— (A) in subsection (d)(4)(A)(ii), by striking quadrennial defense review if such strategy has not been submitted and inserting national defense strategy