Complex sentence: The RX-77-2 Guncannon was the second mobile suit design model that stemmed from the Earth Federation's "Vinsion Project" or "V Project" in the mecha anime Mobile Suit Gundam.
Split into simpler sentences: The RX-77-2 Guncannon is fictional mobile suit from Mobile Suit Gundam anime series. It is the second mobile suit design model that stemmed from the Earth Federation's "Vinsion Project" or "V Project" in the mecha anime Mobile Suit Gundam.