SDF-1 Macross is the central spacecraft and namesake of the anime series Choujikuu Yousai Macross (Super Dimension Fortress Macross). Serving as both a battleship and a home for the series' main characters, the SDF-1 Macross plays a critical role in humanity's defense against the Zentradi alien forces. The ship is notable for its ability to transform and for housing entire city districts within its hull, making it an iconic symbol of hope and survival throughout the series.