<Ul> <Li> Second Air Force </Li> <Li> Nineteenth Air Force </Li> </Ul> <Li> Second Air Force </Li> <Li> Nineteenth Air Force </Li> <Li> Air Force Global Strike Command <Ul> <Li> Eighth Air Force (Air Forces Strategic) </Li> <Li> Twentieth Air Force (Air Forces Strategic) </Li> </Ul> </Li>

What are the different positions in the air force