The VF-31J Siegfried (VF-31J ジークフリート Bui Effu Wan Jei Jīkufurīto?)is one of the main Variable Fighters of the Macross Δ television series. It is piloted by Hayate Immelman of the Delta Squadron.
Technology & Combat Characteristics
It's a bleeding edge fighter stock equipped with a inertial control system. It's mentioned that Hayate hates the support Al, so the Delta Squad team along with Makina & Reina tuned Siegfried for him. This way, he's not required to wear a helmet. For emergency purposes, it's equipped to use the X- gear system.