Training Facility Dome 04, Thessaly
1/21/1 RTE (Return of The Emperor), 09:22

"Prepare for Orbital Drop Defense Tower testing in two minutes, report to your designated stations. I repeat prepare for Orbital..." The scientist at the booth connected to the ceiling repeated.

In the training facility, Galatic Imperium scientists prepared to test the first design of an ODDT against simulated forces along with a few high-ranking officers within the Imperium military to oversee the project and how it would fare in combat. One officer in particular was Admiral Fayren, whom was there to record the event, Admiral Fayren is considered a prodigy and ascended the ranks of the Imperial Navy rapidly and soon enough became an admiral at a, comparatively, young age compared to the others with many medals earned over the years. Since then, he has faithfully served the Imperium for another 10 years since his ascension to admiral and continues to serve the Imperium while also becoming more encouraged to do so since the return of their God-Emperor and the mark of a new age. However, age has caught up to him with strands of graying black hair on his head and beard appearing to show for it, and his age had effectively crippled him from doing any battle on the field much to his incredible displeasure.

Now though, the simulation begins as the ceiling of the dome opens up and drops an ODDT, bringing up dust from the impact. The appearance of an ODDT is similar to an ODP but a more miniature sized version of it standing at approximately 100 meters in height and 20 meters in width made of Titanium-A materials with a platform to hold all weaponry that was directed by an onboard A.I alongside two platforms for aircraft. The ODDT was armed with four large energy weapons cannons which was basically an enlarged version of the M6 Grindell/Galilean Nonlinear Cannon, or the 'Spartan Laser', attached to the underside of the platform meant for heavily armored targets along with one mini MAC to intercept starships within the atmosphere. Twelve outdated M910 point-defense guns were stationed around the upper and under side of the platform to deal with smaller targets both airborne and ground-side capable of shredding the enemy into pieces even with heavy armor due to the fact that the M910s' were meant to be equipped on starships for anti-aircraft and missile defense. Finally, it comes with twelve built-in pods for Imperial marines, with necessary orbital drop training of course, to come along with the ODDT to add a... human touch for a lack of better words to the defense tower and provide support for any civilians or allied forces on the elevated platform with ranged weaponry.

However, in this simulation, the marines weren't included due to the fact that this wasn't an actual combat situation and the scientists wanted to see the power behind an ODDT without a human behind its controls or as its support.

As the A.I running the ODDT started turning the weaponry online two large forces converged on the ODDT's position from the west and east, one being dozens of droids with outdated Imperial marine equipment and vehicles and the other being the Grimm with hundreds of weaker Grimm and dozens more of the stronger type, airborne as well. The M6 cannons fired upon the airborne Grimm since they were getting closer compared to their ground counterparts, larger Nevermores disintegrated in mid-air whilst the M910s' dealt with the smaller units that followed, mowing down the rest of the Nevermores and Griffins before they even got a volley out. Just as the last airborne Grimm fell to the ground, their fellows on the ground caught up and the weapons spurred up once more to deflect the enemy.

Meanwhile, the marine forces cautiously advanced and covered ground slowly compared to their Grimm counterparts that had just blindly rushed in and as they closed in on the ODDT the thermal sensors on the M910s' detected them and started firing upon a squad inside one of the buildings, shredding them and causing the abandoned building to collapse on top two M12 FAV Warthogs, killing another six. The remaining troops rushed to nearby cover while the armored vehicles started unleashing their payload on the ODDT, only causing black marks of soot and the occasional small dent from the focused fire of Scorpion tanks with one becoming lucky and disabling a M910. All of this was for naught as the defenses that weren't engaged with the Grimm started firing upon them, starting with their vehicles that soon became balls of fire, and the infantry turning into scrambled parts of mechanical arms, legs, torsos, and the occasional head that laid around the site.

As the marines fell, the Grimm were about to join them as well as a Deathstalker suddenly had a large steaming gaping hole in its armor that went fully through it and killing it instantaneously. Only the higher types of Grimm remained due to their armor as the lower types were slaughtered by the M910 guns, but even then they were still getting annihilated and as a Beringel managed to get close enough to actually hit the ODDT, it did absolutely nothing and the Beringel was disintegrated immediately soon after by a M6. As the last Grimm was killed, a large buzzing sound went off, and the ceiling opened up to reveal a Goliath that nearly reached the height of the platform when it came down, both M910s' and M6s' fired upon it, causing next to no damage due to all the armor being focused on the front of it and the A.I decided it was finally time to use the mini-MAC. It came up off the highest point on the ODDT, and it spun around, aiming at the charging Goliath that smashed away buildings in its way and fired directly at the armored mask of the Goliath which caused a bright light to appear from the mini-MAC as it fired. After it fired, a streak of light rushed towards the unaware Goliath and struck its head which pierced through the armor and went into its body, causing it to violently implode from within that made a grizzly sight for all the gore spilled around the urban area.

Much of the scientists and military officers there were astonished at the power of the ODDT, and some of the scientists took notes on which parts of the ODDT to improve upon but the majority of them were in awe at the soon-to-be new addition to their growing arsenal.