10 U.S.C. § 1782: Surveys of military families

members of the armed forces who are on active duty, in an active status, or retired; family members of such members; and survivors of deceased retired members and of members who died while on active duty. Responses to surveys conducted under this section shall be voluntary. With respect to a survey authorized under subsection (a) that includes a person referred to in that subsection who is not an employee of the United States or is not otherwise considered an employee of the United States for the purposes of section 3502(3)(A)(i) of title 44 , the person shall be considered as being an employee of the United States for the purposes of that section. Notwithstanding subsection (a), during fiscal year 2010, the Secretary of Defense shall conduct a survey otherwise authorized under such subsection. Thereafter, additional surveys may be conducted not less often than once every three fiscal years.