Based in Von Braun, the Iron Cavalry Squadron was the first mobile suit squadron of the Earth Federation Forces. Created to counter the humanoid mobile weapons developed by the Principality of Zeon, the squadron was made up of elite pilots and led by Lieutenant Junior Grade Erdush.
The squadron consisted of one Pizarro-class armed transport and 12 Guncannon First Type - numbered units 101 through 112 - divided into four teams. Units 111 and 112 were armed with missile launchers instead of low recoil cannons.
In U.C. 0078, the Iron Cavalry Squadron was dispatched to Mare Smythii to engage the Zeon mobile suits chasing after the defecting Dr. Minovsky. However, due to the Guncannon First Type's lack of mobility and close combat capabilities, the entire squadron, including their transport, were completely wiped out.