The other ships of the ARG were Kearsarge and Ponce, with 26th Marine Expeditionary Unit, Special Operations Capable (26 MEU(SOC)) and Amphibious Squadron (PHIBRON) 6 embarked.

An unopposed landing was conducted in Litokhoron, Greece to position the MEU(SOC) to enter Kosovo overland to provide an initial peacekeeping presence in the region, along with other NATO forces in Operation Joint Guardian.

[citation needed] After enjoying liberty in several Mediterranean ports, the ARG/MEU team was once again called into action, this time to provide relief and assistance to Turkey in Operation Avid Response in the wake of a devastating earthquake.

Gunston Hall sailors participated in constructing a "tent city" to house thousands left homeless by the quake, and in the ARG/MEU deliveries of water and humanitarian supplies to many hard-to-reach sites within the country.

About 150 Canadian soldiers from CFB Valcartier, along with their light armored vehicles and G-wagons, boarded the vessel and to train to storm beaches in landing craft.

[5] In 2011 Gunston Hall participated in "Amphibious-Southern Partnership Station 2011", during on a two-month deployment to the U.S. Southern Command Area of Responsibility, with stops in Belize, Colombia and Guatemala.

[citation needed] After completing the Board of Inspection and Survey in May, Gunston Hall departed Joint Expeditionary Base Little Creek–Fort Story on 18 June 2018 to participate in naval exercises Southern Seas 2018 and UNITAS 2018.

After a brief return to Little Creek–Fort Story in order to resupply and embark the 22nd Marine Expeditionary Unit, she departed for Reykjavik, Iceland, along with New York and Iwo Jima, to participate in Exercise Trident Juncture 2018.