Related Clues:
- US naval establishment British started by flowing Potomac
- Alphabet
- Harsh (US) military training establishment
- Basic training that may preclude 19
- Basic knowledge gives good approximation
- Site for harsh training
- Good not being too precise keeping home
- US training centre for military recruits
- Rudimentary knowledge hampering progress of high flier?
- Affected by kick in prison for young offenders
- Elementary recitation
- Preschool lesson
- Basic principles
- Not allowing to fly with little instruction
- Profit affected training centre