Shimuto

"Cooling fins deployed, shields operating at 92% efficiency, two minutes to landing."
Shimuto nodded as the reports were relayed to him by the crew. He was standing in front of Rothax, who was sitting on his throne, both watching intently. Shimuto could sense a vast amount of life-force emanating from the planet. This was certainly one of the most populous planets that they'd ever set eyes up. The blue planet grew as they drew closer to it. Suddenly a siren began to ring as a warning light appeared.
"Sir! Unidentified craft approaching from the stern! It's approaching at over ten thousand clicks per second!"
Shimuto stood forward.
"Bring up the monitor!" he commanded. A monitor lowered in front of the crew and showed a pod jetting towards Earth.
"Take evasive action!" he yelled. The crew frantically began adjusting controls, but one yelled out,
"Too late! It's coming past now!"
Luckily, the capsule jetted mere kilometres from them, overtaking the ship and breaking Earth's atmosphere.
"Did they follow us?!" Rothax yelled. Shimuto pulled up a dataread from the navigation console.
"No, their trajectory into this solar system was completely different. Plus that's a ACU-2000 model."
"So?" Rothax spat.
"It's a ship used by what was King Cold's empire, then used by their several vassal planets, but it bore Saiyan markings. The power signature inside showed a single power, definately a fighter."
Rothax laid back and pressed his palms together.
"Are the Saiyans here for the Dragonballs too? Those monkeys can be a pest," he pondered out loud. Shimuto awaited his next command.
"Continue to locate a Namekian power source, if there are Dragonballs, there must be Nameks."
They broke Earth's atmosphere and they stared with anticipation as continents, islands and seas came to form in the oceans.

"Sir! We've located one! We can land within 500 clicks of the source."
Rothax slammed his fist on the arm of his chair.
"Do it! We must get those Dragonballs as soon as possible!"
Shimuto turned around and watched as the crew began operating the landing controls. The ship was now flying over cities. He looked down on the Earth and saw a large concentration of people, many of whom had great power. The ship screamed over a large stadium and within thirty seconds had landed in a vast plain many miles away.

Rothax stood up and the entire crew came to attention in front of him. The team was around 30 strong, and consisted of several races.
"Bring me that Namek! You 5, bring him to me. The rest of you, Shimuto, you gather some intel."
Shimuto nodded and they left the ship. 5 of the warriors powered up and headed off to find the Namek. The others stood at attention in front of Shimuto.
"Okay, you five, get back into the ship and keep everything running smoothly. You guys, scan the nearby territory and keep a watch. And you guys, go search in the nearby towns."
Shimuto turned and looked around. He breathed in the air; it was clean, fresh and calm. No wonder this planet had so much life. The sun beat down on him with a warm temperature, and the occasional wind cooled him down.
"Nice planet. I wonder how long it's going to stay that way."

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Okay, the ship has landed, and 5 goons are heading towards the stadium. If you want to deal with them, or not, it's up to you.