Two bars that Hershey's devised for the U.S. military: Ration D, and the tastier (and more enduring) Tropical Chocolate Bar, which soldiers received as late as 1991. Yasu Mizoi When Captain Paul ...

HERSHEY — Roofer Chris Heady perched on a ledge, applying thin lines of brown caulk and topping them by hand with dozens of shingles displayed in an alternating light-and-dark pattern.