; and (G) perform other duties as assigned by the Secretary. ; (C) in subsection (b), as so redesignated— (i) in the subsection heading, by striking Mission and inserting Radiological and nuclear responsibilities ; (ii) in paragraph (1)— (I) by inserting deploy, after acquire, ; and (II) by striking deployment and inserting operation ; (iii) by striking paragraphs (6) through (10); (iv) redesignating paragraphs (11) and (12) as paragraphs (6) and (7), respectively; (v) in paragraph (6), as so redesignated— (I) by striking subparagraph (B); (II) by striking activities— and all that follows through to ensure and inserting activities to ensure ; and (III) by striking attacks; and and inserting attacks; ; (vi) in paragraph (7)(C)(v), as so redesignated— (I) in the matter preceding subclause (I), by inserting except as otherwise provided, before require ; and (II) in subclause (II)— (aa) in the matter preceding item (aa), by striking death or disability and inserting death, disability, or a finding of good cause as determined by the Assistant Secretary (including extreme hardship, extreme need, or the needs of the Office) and for which the Assistant Secretary may grant a waiver of the repayment obligation ; and (bb) in item (bb), by adding and at the end; (vii) by striking paragraph (13); and (viii) by redesignating paragraph (14) as paragraph (8); and (D) by inserting after subsection (b), as so redesignated, the following: (c) Chemical and biological responsibilities The Office— (1) shall be responsible for coordinating with other Federal efforts to enhance the ability of Federal, State, local, and Tribal governments to prevent, detect, mitigate, and protect against the importation, possession, storage, transportation, development, or use of unauthorized chemical and biological materials, devices, or agents against the United States