When his cardiologist warned him it would be tough to make the trip back to England to unveil a monument at the site of the Staplehurst Advanced Landing Ground commemorating the American and Canadian pilots who flew P-51 Mustangs from the base in World War II, Lt. Col. Bill Bullard, 90, told him one thing. “Well, not as tough as the first time I tried it,” he said. Bullard, along with his wife Birdie and daughter Linda, flew to England on June 3 to join local residents in Kent County, about an hour southeast of London, for the ceremony. “When...