Returning in January 2015, the unit next deployed to the Pacific region on a UDP, going to Okinawa, Japan; the Philippines; Korea; Thailand; and Singapore.

During the period 1929 through 1933, the battalion assisted in building roads and schools, improving sanitary conditions and training the native Haitian constabulary.

The battalion commander, Lt. Col. Herbert R. Amey, Jr., was killed by Japanese machine gun fire before reaching the beach.

Throughout the battle, marines of the battalion distinguished themselves: there were two Navy Cross recipients and numerous lesser medals awarded for individual actions.

In October 1962, during the Cuban Missile Crisis, the 2d Battalion deployed to the waters off the coast of Cuba as part of a task force of 40 ships and 20,000 marines and sailors.

On December 4, 1979, in the face of terrorist attacks on United States citizens at the Naval Station, Roosevelt Roads, Puerto Rico, they deployed to reinforce the Marine barracks.

In May 1992, as part of Landing Force Sixth Fleet, 2d Battalion supported Operation Provide Promise off the coast of the former republics of Yugoslavia.

In April 1996, 2/2 was attached to the 22nd Marine Expeditionary Unit and simultaneously reinforced an American embassy in Monrovia, Liberia, in support of Operation Assured Response and the American embassy in Bangui, Central African Republic, in support of Operation Quick Response.

While attached to the 22nd Marine Expeditionary Unit in August 1998, elements of the battalion, participating in Operation Security Force, reinforced the American housing complex in Tirana, Albania, for 97 days.

Upon return from deployment in December 1998, Echo Company was sent to Panama for security and contingency operations in support of USCINCSOUTH from March to May 1999.

During this time, Echo Company played a vital role in maritime interdiction operations off the coast of Yemen.

While stationed in the Persian Gulf, in March 2003, 2/2 deployed to Iraq to reinforce coalition forces during Operation Iraqi Freedom.

During this deployment the battalion suffered 154 marines wounded and six killed in action while participating in more than 600 separate engagements of various sizes.

Conducting training with the Spanish, Italian, French, and other NATO members, the unit returned home in January 2015.

The unit traveled to many countries while deployed, conducting bi-lateral training and ensuring peace and balance within the region.

In August of 2019, 2/2 was deployed as part of the UDP of Okinawa, where they traveled to mainland Japan as well as the Philippian islands, and South Korea in order to improve relations and serve as instructors for the local militaries.

They returned to Camp Lejeune in February 2020, narrowly avoiding the travel restrictions imposed due to the COVID-19 outbreak.

During the COVID-19 outbreak, the battalion participated in a UDP to Okinawa from February to August 2021, where they forward deployed to Korea and mainland Japan.

While in Japan they were the first Marine Corps infantry battalion to participate in a force-on-force exercise against the Japanese Ground Self-Defense Force, where they earned the Meritorious Unit Citation for their efforts abroad.