Though formidable in appearance, the ships had never been tested in battle. Produced on a scale to match that of the Clone Troopers it was designed to carry, dozens of the ships were crewed and ready to depart when Jedi Master Yoda arrived to mobilize an invasion force.
The Acclamator-Class Assault Ship, produced by Rothana Heavy Engineering for Kamino's cloners, quickly became a staple of the Old Republic's clone legions. Reference Book: Star Wars Saga Edition Starships of the Galaxy