Clue | Length | Answer |
---|---|---|
Aircraft formation: Abbr. | 3 letters | ech |
Flying formation: Abbr. | 3 letters | ech |
Level in an org. | 3 letters | ech |
R.A.F. formation | 3 letters | ech |
Flight formation: Abbr. | 3 letters | ech |
Level of hierarchy: Abbr. | 3 letters | ech |
Hierarchical level: Abbr. | 3 letters | ech |
Command level: Abbr. | 3 letters | ech |