KETCHIKAN, Alaska — Cmdr. Jack W. Jackson will relieve Cmdr. T. Wade Gesele as commanding officer of Coast Guard Base Ketchikan during a formal ceremony at the base, June 11 at 10:30 a.m. Gesele has commanded the base since June 2010. Gesele’s next assignment will be at the Civil Engineering Unit in Oakland, Calif. Jackson is reporting to Base Ketchikan after being the commanding officer of...