The usual US-RP Balikatan exercise would last for six months under the Balikatan Terms of Reference (TOR). The Civic-Military-Operations (CMO) Technical Working Group of the RP-US Balikatan 2009 visited the region last October 8-11, 2008 . Said group is responsible in the conduct of humanitarian missions such as medical and dental missions, construction of roads, school buildings, water system facilities, and farm to market roads and other activities in the five provinces of the region namely Sorsogon, Masbate, Albay, Catanduanes and Camarines Sur.
Mula noong Enero 2011 hanggang sa kasalukuyan ay nanatili ang presensya ng mga armadong tropa ng 42nd IB, Philippine Army (PA) sa ilalim ng pamumuno ni 1Lt. John Elliot: sa Olag grande, Lupi, Tierra at Canayunan lahat sakop ng bayan ng Tinambac at sa mga barangay ng Digdigon, Balaynan, Payatan at Tabgon sa bayan naman ng Goa. Sa bayan ng Caramoan, aabot ng limampung (50) elemento ng 42nd IB, PA ang nag-ooperasyon sa ilang barangay tulad Tabiguian, Pili, Poloan at Tabgon.