Throughout America’s history, soldiers have treasured letters and care packages received from loved ones back home. Just how have these precious items reached far-off recipients through the years? What role has the mail played in the lives of the men and women who serve and their families? “Mail Call,” a new exhibition at the Smithsonian’s National Postal Museum, tells the fascinating story of military mail and communications—from the American Revolution to the current war in Afghanistan … (click to read more)