; and (ii) served on active duty in the Armed Forces of the United States abroad. (3) The period of authorized admission for an alien admitted to the United States as a nonimmigrant under section 101(a)(15)(W) shall be 5 years, which may be extended for one additional 2-year period. (4) The total number of principal aliens who may be admitted under section 101(a)(15)(W) during any fiscal year may not exceed 5,000. . (c) Adjustment of status Section 245 of the Immigration and Nationality Act ( 8 U.S.C. 1255 ) is amended by adding at the end the following: (n) (1) The Secretary of Homeland Security may adjust the status of an alien admitted to the United States as a nonimmigrant under section 101(a)(15)(W) to that of an alien lawfully admitted for permanent residence if the alien— (A) is admissible to the United States as an immigrant; and (B) satisfies the requirements under section 312, unless the alien is a child described in section 101(a)(15)(W)(ii) who is under the age of 18. (2) The numerical limitations of sections 201 and 202 shall not apply to the adjustment of aliens to lawful permanent resident status under this subsection. . (d) Naturalization Section 312(b) of the Immigration and Nationality Act ( 8 U.S.C. 1423(b) ) is amended by inserting at the end the following: (4) The requirements of subsection (a) shall not apply to any person who has satisfied such requirements under section 245(n)(1)(B). .