October 28, 2013: The US Marines 13th Marine Expeditionary Unit (MEU) and troops from the Indian Army's 91 Brigade conducted a joint amphibious staff exercise Shatrujeet 13 this month in Kochi, Trivandrum and Peryakadu on the west coast, along with staff exchanges in Goa.

According to a statement put out by the US Marines, "The purpose of the exercise (involving the Battalion Landing Team 1/4 and Combat Logistics Battalion 13 of the MEU) was to enhance US-India military-to-military relations and exchange knowledge. They achieved this through coordination of a brigade-sized attack in scenario driven classroom." The Marines arrived on amphibious assault ship USS Harpers Ferry. The staff exercise was conducted under the aegis of the Defence Policy Group, and will be looking to enhance interoperability between the two sides progressively.