John Tilley served in the US Navy from 1964 to 1968 including 18 months in Vietnam. At age 58 he gave up smoking. Not long ago he completed an Ironman. Inspiring many at Lucky's Lake Swim in Orlando six days a week, he swims every Swim Guzzler sponsored Night Ops 5k. PLEASE donate to the Navy SEAL Foundation which directly supports the mission, programs and services John so admires.