Is é an misean an misean leanúnach is faide a rinne an 20ú hAerfhórsa riamh.
Ar ndóigh, is é leagan níos casta den abairt "Ba é an misean an misean leanúnach is faide a rinne an Twentieth Air Force riamh, fad agus fad 17 uair an chloig. "