trauma. (B) The term military sexual trauma means, with respect to a veteran, a physical assault of a sexual nature, battery of a sexual nature, cyber harassment of a sexual nature, or sexual harassment which occurred during active military, naval, or air service. . (b) Use ofevidence in evaluating disability claims involving military sexual trauma (1) In general Subchapter VI of chapter 11 of such title is amended by adding at the end the following new section: 1164. Evaluation of claims involving military sexual trauma (a) Nonmilitary sources of evidence (1) In carrying out section 1154(c) of this title, the Secretary shall ensure that if a claim for compensation under this chapter is received by the Secretary for post-traumatic stress disorder based on a physical assault of a sexual nature, battery of a sexual nature, cyber harassment of a sexual nature, or sexual harassment experienced by a veteran during active military, naval, or air service, evidence from sources other than official records of the Department of Defense regarding the veteran's service may corroborate the veteran’s account of the assault, battery, or harassment. (2) Examples of evidence described in paragraph (1) include the following: (A) Records from law enforcement authorities, rape crisis centers, mental health counseling centers, hospitals, and physicians. (B) Pregnancy tests and tests for sexually transmitted diseases. (C) Statements from family members, roommates, other members of the Armed Forces or veterans, and clergy. (b) Behavior changes corroborating evidence (1) In carrying out section 1154(c) of this title, the Secretary shall ensure that evidence of a behavior change following an assault, battery, or harassment described in subsection (a)(1) is one type of relevant evidence that may be found in sources described in such subsection. (2) Examples of behavior changes that may be relevant evidence of an assault, battery, or harassment described in subsection (a)(1) include the following: (A) A request for a transfer to another