After the original art director for the film had been fired, Cameron became responsible for the majority of the film's special effects, or, as Cameron later put it, "production design and art direction. Alliance leadership sent Galen Erso's daughter, Jyn Erso , and Captain Cassian Andor to learn more about her father's involvement, and their subsequent efforts saw the Alliance discover the existence of the Death Star , as well as a fatal flaw in the design placed there by Galen Erso. Please obey copyright policy ; do not copy material from other sources without permission. Many of Sador's troops are killed, and their Sonic Tank is destroyed; however, many Akira die as well Burnham suggests to the captain that they instead sneak aboard T'Kuvma's ship and kidnap him, so as to shame him before his people, rather than killing him and making him a martyr. Shad Richard Thomas , a young man who has piloted the ship and is well-known to Nell, volunteers for the recruiting mission. The Sarcophagus then stayed behind to collect the klingon dead for a funeral. Director Orson Krennic , the former commander of the Death Star, attempted to stop Erso and Andor from stealing the plans, but the heavily-outnumbered Rebels received support from the Alliance Fleet under Admiral Raddus , whose forces engaged the Imperial Star Destroyers above Scarif and worked to destroy the Shield Gate protecting the planet. The Europa then initiated a self-destruct sequence which destroyed itself, it's crew and the cleave ship. Although Sador's aerospace forces are wiped out, Hammerhead picks off all the remaining mercenaries with laser battery-fire and nuclear missiles. The venue remains Pepperdine University , as was the original. Hephaestus' beautiful daughter and Shad's love interest. Seeking weapons, Shad goes to the space station of Doctor Hephaestus, an old friend of Zed's.