Commercial aviation is often associated with passenger airlines but also includes cargo transportation. Many pilots learn to fly in the military, although civilian flying schools are becoming increasingly popular. All pilots must hold a commercial pilot’s license as well as instrument ratings to fly during periods of low visibility. Commercial pilots jobs are forecast to grow by 11 percent between and Airline pilots can be found flying large aircraft for major airlines such as American Airlines and Delta as well as smaller aircraft for regional airlines such as American Connection and Delta Connection. In order to start flying, airline pilots must earn a commercial pilot’s license, which requires hours of flight experience as well as technical knowledge of aviation and passing a physical exam. Airline captains face a higher standard, of 1, hours muxh flight time.