The second trailer confirmed that the Stonehenge railgun network from Ace Combat 04: Shattered Skies, along with the "Estovakian Aerial Fleet" (composed of numerous aerial fortresses) from Ace Combat 6: Fires of Liberation, would make an appearance in Infinity.
Video kedua mengonfirmasi bahwa jaringan railgun Stonehenge dari Ace Combat 04: Shattered Skies, bersama dengan "Armada Udara Estovakia" (berisi pesawat raksasa) dari Ace Combat 6: Fires of Liberation, akan muncul di Infinity.