of the combatant commands, including the Contingency Planning Guidance for Employment of the Force and the Global Defense Posture Report as required by section 113 of this title, and reviewing such plans. (II) Advising the Secretary and the Under Secretary on alternative concepts for the employment and posture of the joint force to align with the National Defense Strategy and other approved policy guidance of the Secretary. (iii) In matters relating to assessments, the following: (I) Developing planning scenarios that describe the present and future strategic and operational environments by which to assess joint force capabilities and readiness. (II) Producing detailed assessments at the strategic, campaign, and mission levels (including through war games) to evaluate the present and future capability and readiness of the armed forces to conduct joint military campaigns or competitions that are prioritized in approved policy guidance of the Secretary. (III) Devising specific criteria to direct reviews by the Director of Cost Assessment and Program Evaluation of the implementation of the capability and readiness priorities established in approved policy guidance of the Secretary. (iv) In matters relating to readiness, the following: (I) Describing the strategic, campaign, and mission outcomes that the joint force should be ready to achieve and by which joint force readiness will be assessed, in accordance with approved strategic guidance of the Secretary. (II) Conducting assessments of the readiness of the joint force to perform the missions prioritized in the National Defense Strategy and other approved policy guidance of the Secretary, including through the observation of military training and exercises. (v) In matters relating to strategic capabilities, developing and supervising policy, program planning and execution, and allocation and use of resources for any strategic capabilities designated by the Under Secretary. . (b) Effective date The amendment made by this section shall take effect on February 1,