Original sentence: Deliveries: 2008-2010  Largest operator of Airbus A321  Replacing: Boeing 757-200  Gogo Inflight Internet Wi-Fi Service being installed in early 2010
Edited sentence: Deliveries: 2008-2010  Largest operator of Airbus A321  Replacing: Domestic Boeing 757-200  Gogo Inflight Internet Wi-Fi Service being installed in early 2010