transmission was a bit broken:
ac: rhein...airforce...15...maintaining 370
atc: airforce calling rhein radar, this is munich south, please go back to previous channel and check the correct one.
ac: wilco
2 min later
ac: hallo again, we now realised that our callsign might be missleading. we are RYR(ryanair)4715 at 370, but if you like call us ryanairforce 15 and we`ll feel honored and be happy about any priority handling.
atc: roger, ryanairforce 15 identified,direct XXX
ac: never thought that this will work.