U.S. Air Force Master Sgts. Jay Halpin (left), Christopher Jeffery (right) and Senior Airman Andrew Jones (center), New Harmony Air Force Band of Flight, attached to Operation Continuing Promise 2010, perform at a medical site in Port-de-Paix, Haiti, Aug. 1. CP10 is a collaborative effort that involves military and civilian personnel providing humanitarian assistance and disaster relief to the Caribbean, Central and South America.