What is the fine-grained topic of the following text: Aero Classics Models: one limited edition collectible, die-cast military aircraft model in a 1/400th scale of a Douglas DC-9-32/CF (C-9A) Nightingale in the USAF - Air Force MAC Old 30th AS at Yokota AFB, Tokyo, Japan Colors Scheme. Only return the topic.
Aero Classics Models collectible die-cast military aircraft model of a Douglas DC-9-32/CF (C-9A) Nightingale in USAF - Air Force MAC Old 30th AS.