Star Wars X-Wing (2nd Ed): LAAT/i Gunship Expansion Pack - Rules of Play says:

The LAAT/i Gunship Expansion Pack contains everything you need to add one of these sturdy ships to your Galactic Republic squadrons, including a finely detailed LAAT/i Gunship miniature, four ship cards, 14 upgrade cards, and two quick build cards to get your ship directly into the fight.