"I do not understand the reluctance to translate the Ferocious Piranha Mark IV, the Valkyrie Redeemer Mark IV and the Bright Warrior Mark IV into first-class mechs." Casella said with a frown. "It is my understanding that the main difference between quasi-first-class mechs and first-class mechs is how much energy they have at their disposal. Even if there are other differences, it shouldn't matter as long as you put first-class power reactors into the mechs, correct?"