Chapter 1209 - ACTIVE DUTY
- Section 12301 - Reserve components generally
- Section 12302 - Ready Reserve
- Section 12303 - Ready Reserve: members not assigned to, or participating satisfactorily in, units
- Section 12304 - Selected Reserve and certain Individual Ready Reserve members; order to active duty other than during war or national emergency
- Section 12304a - Army Reserve, Navy Reserve, Marine Corps Reserve, and Air Force Reserve: order to active duty to provide assistance in response to a major disaster or emergency
- Section 12304b - Selected Reserve: order to active duty for preplanned missions in support of the combatant commands
- Section 12305 - Authority of President to suspend certain laws relating to promotion, retirement, and separation
- Section 12306 - Standby Reserve
- Section 12307 - Retired Reserve
- Section 12308 - Retention after becoming qualified for retired pay
- Section 12309 - Reserve officers: use of in expansion of armed forces
- Section 12310 - Reserves: for organizing, administering, etc., reserve components
- Section 12311 - Active duty agreements
- Section 12312 - Active duty agreements: release from duty
- Section 12313 - Reserves: release from active duty
- Section 12314 - Reserves: kinds of duty
- Section 12315 - Reserves: duty with or without pay
- Section 12316 - Payment of certain Reserves while on duty
- Section 12317 - Reserves: theological students; limitations
- Section 12318 - Reserves on active duty: duties; funding
- Section 12319 - Ready Reserve: muster duty
- Section 12320 - Reserve officers: grade in which ordered to active duty
- Section 12321 - Reserve Officer Training Corps units: limitation on number of Reserves assigned
- Section 12322 - Active duty for health care
- Section 12323 - Active duty pending line of duty determination required for response to sexual assault