Thanks to these factors, mass production began in earnest, with 250 units being ordered. The new battlecruisers appeared at various military parades, shows and exercises, where they amazed foreign observers by executing advanced maneuvers, spawning starfighter squadrons and taking up battle formations. However, the upcoming Thrawn campaign proved that the Tenacious-class is vulnerable to most modern Imperial ships larger than frigates in spite of the propaganda and myths surrounding the class, although the ones transferred into anti-stealth roles were successful in tracking down and eliminating Imperial-class stealth supply ships thanks to their plentiful armament, long range and higher speed. Eeventually, the end of the war saw the re-enactment of the battlecruisers into their pre-war rol