Rinne no Lagrange Mecha

Vox Aura
17.3 meters tall and piloted by Madoka; is later renamed Midori.
It represent Wind/Sky
Weapon: A long blade attached on its arm (Madoka is quite good in Kendo)

Vox Rympha
17.3 meters tall and piloted by Lan; is later renamed Orca.
It represent Water/Sea
Weapon: Gun that able to shoot powerful beam and force shield, both attached on its arm

Vox Ignis
17.4 meters tall and piloted by Muginami; is later renamed Hupo.
It represent Fire
Weapon: Two identical beam gun that can be join together to form a double-edge energy sword.

Muginami,Madoka & Lan (Pilot of Vox)

     The 3 Vox are actually ancient weapon created by resident of Earth at the time even before the Dinosaur era and Ice Age. The tech. at that time are too advance until it destroyed Earth once and the one that responsible for that are the vox that are belief to went berserk at that time. The resident then leave Earth.
     Their new generation Lan and Muginami came back to Earth after they discover the vox and meet with Madoka.They are called Memories which are people that can pilot the vox and activate the vox system with their resolve. They three girls pilot the vox to defend Earth from being invade by alien.
     The vox are the only weapon that human can rely on to defeat the alien that plan to invade Earth and destroy the vox. They are belief to be the strongest weapon that no other latest mecha can defeat them. They are normally seen in jet mode.When their vox system are activated, they transform into humanoid form.