Cadet Airmen Jack Clavenna and father Col. James Clavenna read the Civil Air Patrol Leadership Manual at the Coastal Charleston Composite Squadron on Joint Base Charleston, S.C., on Feb. 13, 2012. Clavenna takes his son to weekly CAP meetings. The Civil Air Patrol has one of the largest fleets of single-engine aircraft in the world, with more than 550 aircraft nationwide. Clavenna is the commander of the 437th Maintenance Group, 437th Airlift Wing. Jack has been in CAP for nearly a year. (U.S. Air Force photo/Airman 1st Class Ashlee Galloway)