Naha Harbour and Airport Construction Office
Proper noun; a specific government office responsible for construction works at Naha Port and Naha Airport in Okinawa.
The Naha Harbour and Airport Construction Office is in charge of the development of Naha Port and Naha Airport.
Compound of 那覇 (Naha, the capital city of Okinawa), 港湾 (harbour), 空港 (airport), 工事 (construction), and 事務所 (office).