ðɪ ˈɛɹfiːld wˌɛɹ nˈʌmbɚ sˈɪks bˈoːɹdz ɐ ɡlˈɑːstɚ mˈiːɾɪɚ jˈuːzd ɪn ðɪs ˈɛpɪsˌoʊd ɪz ðə fˈɔːɹmɚɹ ˌɑːɹɹˌeɪˈɛf tʃˈælɡɹoʊv slˈæʃ tʃˈælɡɹoʊv ˈɛɹfiːld ɪn ˈɑːksfɚdʃɚ, nˈaʊ pɹˈaɪvətli ˈoʊnd baɪ mˈɑːɹtɪnbˈeɪkɚ.
The airfield (where Number Six boards a Gloster Meteor) used in this episode is the former RAF Chalgrove / Chalgrove Airfield in Oxfordshire, now privately owned by Martin-Baker.