>>3342127To add onto this, I've seen jp fans speculate "gallant ones" is similarly about them.
>Oxygen to breathe again>The iron and aluminumIs a reference to thermite reaction between iron oxide and aluminum. It's about that end scene where the "iron" transfers oxygen to the "aluminum" to breathe again .
The rest of the song is more straightforward though
>The gallant ones will form a new union in fire and blood>You are the engine and the power>Let's fight this tooth ’n' nail!>I am the pilot in this game and this team will never fail!Since Lio powers the mecha while Galo pilots iirc