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                                                                                       Updated December  8, 2020

Defense Primer: Army Multi-Domain Operations (MDO)


As an operational concept, Multi-Domain Operations
(MDO)  influence what types of weapon systems and
equipment the Army procures, what types and numbers of
soldiers are needed, and what type of training is required
significant legislative concerns for Congress. In this regard,
an understanding of MDO could prove beneficial for
congressional oversight activities.

What Ar'e Mu'lti-D..ma.n Opeato
(MDO) 
According to the U.S. Army's Training and Doctrine
Command   (TRADOC):

    Multi-Domain  Operations (MDO)   describes how
    the U.S. Army,  as part of the joint force [Army,
    Navy,  Air Force, and Marines] can counter and
    defeat a near-peer adversary capable of contesting
    the U.S. in all domains [air, land, maritime, space,
    and  cyberspace] in both competition and armed
    conflict. The concept describes how U.S. ground
    forces, as part of the joint and multinational team,
    deter adversaries and defeat highly capable near-
    peer enemies in the 2025-2050 timeframe.

    MDO   provides commanders  numerous options for
    executing simultaneous and sequential operations
    using  surprise and  the rapid  and continuous
    integration of capabilities across all domains to
    present multiple dilemmas to an adversary in order
    to gain physical and psychological advantages and
    influence  and  control  over  the  operational
    environment.

 W'h~y  Mid  the. Army Adop M           S
 MDO  is described in detail in a December 2018 Army
 publication titled The U.S. Army in Multi-Domain
 Operations 2028. MDO was developed in response to the
 2018 National Defense Strategy, which shifted the previous
 focus of U.S. national security from countering violent
 extremists worldwide to confronting revisionist powers
 primarily Russia and China that are said to want to shape
 a world consistent with their authoritarian model gaining
 veto authority over other nations' economic, diplomatic,
 and security decisions. According to The U.S. Army in
Multi-Domain  Operations 2028:

    China  and Russia exploit the conditions of the
    operational environment to achieve their objectives
    without resorting to armed conflict by fracturing the
    U.S.'s alliances, partnerships, and resolve. They
    attempt to create stand-off through the integration
    of    diplomatic    and    economic    actions,
    unconventional and  information warfare (social
    media,  false narratives, cyber-attacks), and the


    actual or threatened employment of conventional
    forces. By creating instability within countries and
    alliances, China  and  Russia   create political
    separation that results in  strategic ambiguity
    reducing the speed of friendly recognition, decision,
    and reaction. Through these competitive actions,
    China  and  Russia  believe  they can   achieve
    objectives below the threshold of armed conflict.
Army  leadership believes that if the Army in conjunction
with the other Services prevails in these competitions in
all domains, that U.S. national security objectives should
be achieved.


The Army's  central idea is to prevail by competing
successfully in all domains short of conflict, deterring a
potential enemy. If deterrence fails, Army forces along
with the Joint Force are to do the following:

Penetrate enemy  anti-access and area denial systems
(layered and integrated long-range precision-strike systems,
littoral anti-ship capabilities, air defenses, and long-range
artillery and rocket systems) to enable strategic and
operational maneuver of U.S. forces.

Dis-integrate-disrupt, degrade, or destroy enemy anti-
access and area denial systems to enable operational and
tactical maneuver of U.S. forces.

Exploit the resulting freedom of maneuver to achieve
operational and strategic objectives by defeating enemy
forces in all domains.

Re-compete-consolidate   gains across domains and force a
return to competition on favorable terms to the United
States and allies.



As part of the release of The U.S. Army in Multi-Domain
Operations 2028, an Army official described to the media
that specific Army echelons will be given different
problems to address under MDO. Existing Divisions and
Corps will be tasked with fighting and defeating specific
components  of the enemy's system. As such, the Army will
no longer organize or center itself on Brigade Combat
Teams  (BCTs) as it did under previous National Defense
Strategies. Under the previous BCT-centered organizational
construct, Divisions and Corps had a limited warfighting
role, but under MDO, Divisions and Corps headquarters are
to return to their historic warfighting roles, in which they
employed  subordinate units and allocated Corps- and
Division-level assets to support subordinate units.


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