In August 2014, a detachment of CLR-4 Marines went to South Korea in support of Ulchi Freedom Guardian; in subsequent years, the Regiment has supported various Korean Theater of Operations exercises.

In February 2015, CLR-4 took part in an active component Marine Expeditionary Force Level Exercise.

[5][6] In April 2016, CLR-4 provided the headquarters element for Combined Joint Task Force African Lion in the Kingdom of Morocco.

[7] In June 2017, the Regimental Headquarters conducted a battle simulation scenario-based event involving the Commanding Officer and staff in Fort McCoy, Wisconsin.

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