; and (ii) was discharged or released from active duty in the Armed Forces under honorable conditions; or (B) is preference eligible, as defined in section 2108 of title 5, United States Code; and (2) the term mission critical occupation means those occupations that affect the ability to achieve the agency’s mission. 142. Fitness standards (a) Strategy for fitness standardization Not later than 180 days after the date of the enactment of this Act, the Secretary of Homeland Security, acting through the Chief Security Officer of the Department of Homeland Security and in coordination with heads of the components of the Department, shall— (1) develop a strategy and timeline for implementation and use of uniform fitness standards that correspond to the relevant position risk level as the basis for fitness determinations for a contractor employee across the Department of Homeland Security