This U.S. industry comprises establishments primarily engaged in providing air transportation of cargo without transporting passengers with no regular routes and regular schedules. Establishments primarily engaged in--

Including:

• Air cargo carriers (except air couriers), nonscheduled
• Charter air freight services
• Freight charter services, air
• Freight transportation, air, charter services
• Freight transportation, air, nonscheduled
• Helicopter carriers, freight, nonscheduled
• Nonscheduled air freight transportation
• Space transportation, freight, nonscheduled
• Transportation by spacecraft, freight