Sorry for the hijack, but Im a little confused with the German here. You claim that Jabostaffel is German for fighter-bomber. I thought that Jabostaffel meant 'fighter-bomber squadron'? My breakdown is this- I know Jagd is 'fighter' from the word Jagdgeschwader, 'fighter wing'. I havent a clue what the word for bomber is, but I always assumed it started with 'bo' (perhaps a cognate of the english word?), making up the second part of Jabo. And in the German flight system, a Staffel is equal to a Squadron- Rotte=Element, Scwarm=Flight, Staffel=Squadron, etc.
Not saying your wrong, just explaining my reasoning.