THE UNITED STATES ARMY
Headquarters
Department of the Army
Washington, DC
12 March 2024

*Army Regulation 350-2

Effective 12 April 2024

Training

Operational Environment and Opposing Force Program

By Order of the Secretary of the Army:

RANDY A. GEORGE

General, United States Army

Chief of Staff

MARK F. AVERILL

Administrative Assistant to the

Secretary of the Army

History. This publication is a major revision.

Authorities. The authority for this regulation is AR 350-1.

Applicability. This regulation applies to the Regular Army, the Army National Guard/Army National Guard of the United States, and the U.S. Army Reserve, unless otherwise stated.

Proponent and exception authority. The proponent of this regulation is the Deputy Chief of Staff, G-2. The proponent has the authority to approve exceptions or waivers to this regulation that are consistent with controlling law and regulations. The proponent may delegate this approval authority, in writing, to a division chief within the proponent agency or its direct reporting unit or field operating agency, in the grade of colonel or the civilian equivalent. Activities may request a waiver to this regulation by providing justification that includes a full analysis of the expected benefits and must include formal review by the activity's senior legal officer. All waiver requests will be endorsed by the commander or senior leader of the requesting activity and forwarded through their higher headquarters to the policy proponent. Refer to AR 25-30 for specific requirements.

Army internal control process. This regulation contains internal control provisions in accordance with AR 11-2 and identifies key internal controls that must be evaluated (see appendix C).

Suggested improvements. Users are invited to send comments or suggested improvements on DA FormDA FormDepartment of the Army form 2028 (Recommended Changes to Publications and Blank Forms) to usarmy.pentagon.hqda-dcs-g-2.list.dami-fi-distribution@army.mil.

Distribution. This publication is available in electronic media only and is intended for the Regular Army, the Army National Guard/Army National Guard of the United States, and the U.S. Army Reserve.

*This publication supersedes AR 350-2, dated 19 May 2015.

AR 350-2 • 12 March 2024

UNCLASSIFIED

This chapter describes planning and management policies and procedures applicable to the OE and OPFOR Program. Included are OE and OPFOR Program policies, doctrinal, and organiza-tional guidelines, management, the CTC OE and OPFOR sustainment Program, procedures re-garding OE and OPFOR accreditations, requests for OE and OPFOR services and support, and public affairs.

Adversary A party acknowledged as potentially hostile to a friendly party and against which the use of force may be envisaged.

Conditions Established parameters in which training is achieved. Conditions explain what to provide, withhold, and/or modify. Conditions describe the characteristics under which the objective is measured and include the en- vironment, safety considerations, resources and constraints.

Decisive action The continuous, simultaneous combinations of offensive, defensive, and stability or defense support of civil authorities tasks.

Enemy A party identified as hostile against which the use of force is authorized.

Home station training Where the majority of Active Army training takes place; where individual skills are honed and unit readi- ness developed. For the Reserve Component (RC), it is any pre-mobilization training conducted at a unit’s home station/location, local training area, or military installation other than a CTC.

Home station training capabilities A capability to train Active Component brigades on LSCO training environment mission essential tasks (less live fire) and RC companies (with live fire)

Large scale combat operations Extensive joint combat operations in terms of scope and size of forces committed, conducted as a cam- paign aimed at achieving operational and strategic objectives.

Leader development The deliberate, continuous, and progressive process-founded in Army values-that grows Soldiers and Army Civilians into competent, committed professional leaders of character. Leader development is achieved through the career-long synthesis of the training, education, and experiences acquired through opportunities in the institutional, operational, and self-development domains, supported by peer and de- velopmental relationships.

Non–system training device A training device designed and intended to support general military training and non-system specific train- ing requirements.

Operational environment A composite of the conditions, circumstances, and influences that affect the employment of capabilities and bear on the decisions of the commander.

Opposing force A plausible, flexible, and free-thinking mixture of regular forces, irregular forces, and/or criminal elements representing a composite of varying capabilities of actual worldwide forces and capabilities (doctrine, tac- tics, organization, and equipment).

Regional collective training capability The Army’s enterprise approach to focus Training Support System capability to enable collective training.

System training device Training devices designed and intended to train individual and/or collective tasks associated with a spe- cific system, family of systems, or system of systems.

Threat Any combination of actors, entities, or forces that have the capability and intent to harm United States forces, United States national interests, or the homeland.

Training aids, devices, simulators, and simulations Training equipment that supports training in the live, virtual, and constructive environments. Justified, de- veloped, and acquired to support designated tasks. Examples include, but are not limited to, battle simu- lations, targetry, training-unique ammunition, flight and/or driving simulators, gunnery trainers, and maintenance trainers. The TADSS are categorized as system or non-system.