Named after the Super Dimension Fortress from the Macross anime series. If you like mecha i recommend checking out the original series (it might look dated in some regards but still worth a watch. And the Do You Remember Love is a must watch after you finished the series, a grandiose animated spectacle, one of the most impressive animated films I've seen)
If you are not feeling like watching a long series, I recommend checking out Macross Plus, from the author of Cowboy Bebop and Samurai Champloo
The series is known as Robotech in the USA. The original series is not available legally in the USA to my knowledge but should be available on Japanese blu rays with english subtitles or on your favorite Linux ISO sharing website. The rest of the entries are on Disney+ or the aforementioned websites.
I first saw it when I was 10 in 1985 and it changed my life. I never knew that "cartoons" could be so serious. Lisa Hayes was such an incredible character. I didn't really know what anime was until I went to college and then I learned what Robotech really was and how it was created.
Thank you for mentioning those! I saw both Robotech and Macross Plus (in French) when I was a teenager. I still think about the SDF more often I would admit and the soundtrack is a regular occurrence in my work playlist :)