X-02S Strike Wyvern X-02S Prepares for Aerial Refueling Role Fighter Variants X-02 Wyvern Appearances "Erusea had a lot up their sleeves ... What if Trigger couldn't shoot it down? Just thinking about it gives me chills. We're lucky to be here." ― Jaeger[1] The X-02S Strike Wyvern is an updated and modernized variant of the Erusean-made X-02 Wyvern, developed jointly by the Erusean Air and Space Administration and North Osea Gründer Industries. Like its predecessor, the X-02S features variable-geometry wings and possesses excellent stealth capabilities. however, the Strike Wyvern features a second seat, conformal fuel tanks, and is capable of carrying an experimental railgun in its internal weapons bay. While the original X-02S was designed for joint use by the Erusean Navy and Air Force, the X-02S was exclusively designed for Air Force use.[note 1] The X-02S Strike Wyvern was introduced in Ace Combat 7: Skies Unknown. It was initially teased in a trailer released on January 9, 2019, approximately a week before the game's release