Shacklette, Howard B. Posted on February 19, 2015 By christinemcclureak@gmail.com No Comments on Shacklette, Howard B. Alaska Highway, Medical Detachment, Headquarters 1st Battalion 340th Military Personnel Tags:340th Regiment, 340th Regiment medical detachment, Alaska Highway, ALCAN, ALCAN Highway, Headquarters 1st Battalion, Howard B Shacklette