Bingo. Vermillion Team was indeed part of Skull and never it's own squadron.
http://www.anime.net/macross/characters/i/...#ichijyo_hikaru
http://www.anime.net/macross/characters/j/...eniusMaximilian
http://www.anime.net/macross/characters/k/...l#KakizakiHayao
Also, Max an Millia, circa 2012, had their own teams within Skull Squadron. In fact, Max was promoted and given his own group prior to the final battle of SWI.
Lastly, please use the newbie thread. I believe this question has popped up in the newbie thread.