Retired Air Force Captain George Burk, left, greets Toni Adams and her grandson, Aaron Zaglin, at a ceremony dedicating a memorial bench in memory of those who died in the crash of USAF flight 'Visco 57', near Petaluma on Wednesday, June 18, 2014. Burk was the sole survivor of the crash, which killed Toni Adams' husband, Fred Adams, and twelve others on May 4, 1970.(Christopher Chung/ The Press Democrat)