2018 US Code
Title 10 - Armed Forces
Subtitle A - General Military Law
Part II - Personnel
Chapter 50 - Miscellaneous Command Responsibilities
Sec. 991 - Management of deployments of members and measurement and data collection of unit operating and personnel tempo

(a) Management Responsibilities.—(1) The deployment (or potential deployment) of a member of the armed forces shall be managed to ensure that the member is not deployed, or continued in a deployment, on any day on which the total number of days on which the member has been deployed—

(2) In this subsection:

(3) A member may be deployed, or continued in a deployment, without regard to paragraph (1) if the deployment, or continued deployment, is approved by the Secretary of Defense. The authority of the Secretary under the preceding sentence may only be delegated to—

(4) The Secretary of Defense shall prescribe a policy that addresses the amount of dwell time a member of the armed forces or unit remains at the member's or unit's permanent duty station or home port, as the case may be, between deployments.

(b) Deployment Defined.—(1) For the purposes of this section, a member of the armed forces shall be considered to be deployed or in a deployment on any day on which, pursuant to orders, the member is performing service in a training exercise or operation at a location or under circumstances that make it impossible or infeasible for the member to spend off-duty time in the housing in which the member resides when on garrison duty at the member's permanent duty station or homeport, as the case may be.

(2) In the case of a member of a reserve component who is performing active service pursuant to orders that do not establish a permanent change of station, the housing referred to in paragraph (1) is any housing (which may include the member's residence) that the member usually occupies for use during off-duty time when on garrison duty at the member's permanent duty station or homeport, as the case may be.

(3) For the purposes of this section, a member is not deployed or in a deployment when the member is—

(4) The Secretary of Defense may prescribe a definition of deployment for the purposes of this section other than the definition specified in paragraphs (1) and (2). Any such definition may not take effect until 90 days after the date on which the Secretary notifies the Committee on Armed Services of the Senate and the Committee on Armed Services of the House of Representatives of the revised standard definition of deployment.

(c) Recordkeeping.—(1) The Secretary of Defense shall—

(2) The data collection repository shall be able to identify—

(3) For each of the armed forces, the data collection repository shall be able to indicate, for a fiscal year—

(4) For each of the armed forces, the data collection repository shall be able to indicate, for a fiscal year, the number of days that high demand, low density units (as defined by the Chairman of the Joint Chiefs of Staff) were deployed, and whether these units met the force goals for limiting deployments, as described in the personnel tempo policies applicable to that armed force.

(d) National Security Waiver Authority.—The Secretary of the military department concerned may suspend the applicability of this section to a member or any group of members under the Secretary's jurisdiction when the Secretary determines that such a waiver is necessary in the national security interests of the United States.

(e) Inapplicability to Coast Guard.—This section does not apply to a member of the Coast Guard when the Coast Guard is not operating as a service in the Navy.

(f) Other Definitions.—In this section:

(Added Pub. L. 106–65, div. A, title V, §586(a), Oct. 5, 1999, 113 Stat. 637; amended Pub. L. 106–398, §1 [[div. A], title V, §574(a), (b)], Oct. 30, 2000, 114 Stat. 1654, 1654A–136, 1654A–137; Pub. L. 107–107, div. A, title V, §515(a), Dec. 28, 2001, 115 Stat. 1093; Pub. L. 108–136, div. A, title V, §541(a), Nov. 24, 2003, 117 Stat. 1475; Pub. L. 112–81, div. A, title V, §522(a)–(d)(1), Dec. 31, 2011, 125 Stat. 1399–1401.)

2011—Pub. L. 112–81, §522(d)(1), substituted "Management of deployments of members and measurement and data collection of unit operating and personnel tempo" for "Management of deployments of members" in section catchline.

Subsec. (a)(4). Pub. L. 112–81, §522(a), added par. (4).

Subsec. (c). Pub. L. 112–81, §522(b), amended subsec. (c) generally. Prior to amendment, text read as follows: "The Secretary of each military department shall establish a system for tracking and recording the number of days that each member of the armed forces under the jurisdiction of the Secretary is deployed."

Subsec. (f). Pub. L. 112–81, §522(c), added subsec. (f).

2003—Subsec. (a). Pub. L. 108–136 reenacted heading without change and amended text generally. Prior to amendment, text read as follows:

"(1) The deployment (or potential deployment) of a member of the armed forces shall be managed, during any period when the member is a high-deployment days member, by the officer in the chain of command of that member who is the lowest-ranking general or flag officer in that chain of command. That officer shall ensure that the member is not deployed, or continued in a deployment, on any day on which the total number of days on which the member has been deployed out of the preceding 365 days would exceed 220. However, the member may be deployed, or continued in a deployment, without regard to the preceding sentence if such deployment, or continued deployment, is approved—

"(2) In this section, the term 'high-deployment days member' means a member who has been deployed 182 days or more out of the preceding 365 days.

"(3) In paragraph (1)(B), the term 'service chief' means the Chief of Staff of the Army, the Chief of Naval Operations, the Chief of Staff of the Air Force, or the Commandant of the Marine Corps."

2001—Subsec. (b)(2). Pub. L. 107–107 amended par. (2) generally. Prior to amendment, par. (2) read as follows:

"(2) In the case of a member of a reserve component performing active service, the member shall be considered deployed or in a deployment for the purposes of paragraph (1) on any day on which, pursuant to orders that do not establish a permanent change of station, the member is performing the active service at a location that—

2000—Subsec. (a)(1). Pub. L. 106–398, §1 [[div. A], title V, §574(a)(1)], substituted ". However, the member may be deployed, or continued in a deployment, without regard to the preceding sentence if such deployment, or continued deployment, is approved—" and subpars. (A) and (B) for "unless an officer in the grade of general or admiral in the member's chain of command approves the deployment, or continued deployment, of the member."

Subsec. (a)(3). Pub. L. 106–398, §1 [[div. A], title V, §574(a)(2)], added par. (3).

Subsec. (b)(1). Pub. L. 106–398, §1 [[div. A], title V, §574(b)(1)], inserted "or homeport, as the case may be" before period at end.

Subsec. (b)(2). Pub. L. 106–398, §1 [[div. A], title V, §574(b)(3)], added par. (2). Former par. (2) redesignated (3).

Subsec. (b)(3). Pub. L. 106–398, §1 [[div. A], title V, §574(b)(2)], redesignated par. (2) as (3). Former par. (3) redesignated (4).

Subsec. (b)(3)(C). Pub. L. 106–398, §1 [[div. A], title V, §574(b)(4)], added subpar. (C).

Subsec. (b)(4). Pub. L. 106–398, §1 [[div. A], title V, §574(b)(2)], redesignated par. (3) as (4).

Pub. L. 107–107, div. A, title V, §515(b), Dec. 28, 2001, 115 Stat. 1094, provided that: "The amendment made by this section [amending this section] shall apply with respect to duty performed on or after October 1, 2001."

Pub. L. 106–65, div. A, title V, §586(d)(1), Oct. 5, 1999, 113 Stat. 639, provided that: "Section 991 of title 10, United States Code (as added by subsection (a)), shall take effect on October 1, 2000. No day on which a member of the Armed Forces is deployed (as defined in subsection (b) of that section) before that date may be counted in determining the number of days on which a member has been deployed for purposes of that section."

Pub. L. 106–65, div. A, title V, §586(e), Oct. 5, 1999, 113 Stat. 639, provided that: "Not later than June 1, 2000, the Secretary of each military department shall prescribe in regulations the policies and procedures for implementing such provisions of law for that military department."

For transfer of authorities, functions, personnel, and assets of the Coast Guard, including the authorities and functions of the Secretary of Transportation relating thereto, to the Department of Homeland Security, and for treatment of related references, see sections 468(b), 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6.

Pub. L. 110–181, div. A, title V, §586, Jan. 28, 2008, 122 Stat. 132, as amended by Pub. L. 114–328, div. A, title VI, §618(a), Dec. 23, 2016, 130 Stat. 2160, provided that: "The Secretary of Defense shall establish appropriate procedures to ensure that an adequate family care plan is in place for a member of the Armed Forces with minor dependents who is a single parent or whose spouse is also a member of the Armed Forces when the member may be deployed in an area for which imminent danger pay is authorized under section 310 or 351 of title 37, United States Code. Such procedures should allow the member to request a deferment of deployment due to unforeseen circumstances, and the request for such a deferment should be considered and responded to promptly."

Pub. L. 108–136, div. A, title V, §585, Nov. 24, 2003, 117 Stat. 1492, provided that:

"(a) Publication of Policy.—Not later than 180 days after the date of the enactment of this Act [Nov. 24, 2003], the Secretary of Defense shall—

"(b) Dual-Military Family Defined.—In this section, the term 'dual-military family' means a family in which both spouses are members of the Armed Forces."

Pub. L. 106–398, §1 [[div. A], title V, §574(d)], Oct. 30, 2000, 114 Stat. 1654, 1654A–138, as amended by Pub. L. 107–107, div. A, title V, §592(b), Dec. 28, 2001, 115 Stat. 1125, directed the Secretary of Defense to submit to committees of Congress a report on the administration of this section during fiscal year 2001 not later than Mar. 31, 2002.