AN: Hey… Took me long enough to get this out… Really need to go faster with this. I know there isn't many reading, but wish to get it out for those who are. :)

Just some things… Until Halo 4: Forward Unto Dawn, Halo: The Thursday War, and Halo 4 has come out, I will for now on try to avoid any flash backs to the years leading up to current events. I wish to try to stay in line with canon so then if I wish to do anything else in the Halo universe they make sense.

Such as I may also change some dates, and possibly make it so when Jastis was on the Infinity, that it was earlier then 2557 and maybe like 2556 or 5.

Lastly since there isn't much info on Mass Effect after 3, I will have to make up some things, such as you will see below with the Quarian City of Devanx.

Enjoy!

June 6th, 2191 – Perseus Veil – Tikkun System - Rannoch – 1100 Hours.

They arrived at the Quarian city of Devanx which had been built along with the newly built Geth and combined both of their techniques to create quite a metropolis. It was quite different than any city from his dimension, at least Human city as it housed flying cars something that no Human ship had and it's style of architect which seemed very cultural and full of life compared to some of the cities he had been to.

"Any cities like this in your dimension?" asked Tali to break the silence.

Jastis shook his head, "Not any Human cities, but some of the other races may have had. But I can't say for sure as I never visited any. Let's just say that Humanity wasn't the most liked in the galaxy."

Just then the sight of the port arose and Shepard spoke, "About to land, I haven't gotten a message so we can assume that Marcus's ship hasn't arrived yet."

Tali asked, "Where is he coming from?"

"Sol, he was already near the relay before I asked so that cut down some time. But still needs to fly over here to Rannoch," Shepard replied as they landed softly. As they stepped out Jastis saw all the kinds of ships from various races all with their own distinct style but at the same time all had a sense of similarity between them. He gathered that it was most likely because they were all based on similar technology, but he wasn't completely sure.

A couple of Quarian's wearing what appeared to be a version of their skin suit but with notable worker colors and insignia on them noticed them landing and rushed on over. While he couldn't see their faces he could tell that they were weary of him, but they did notice Shepard and Tali. "Commander Shepard and Tali'Zorah," one of them spoke.

Shepard waved his hand, "Just Shepard. No need for the Commander part anymore."

One of them began to fiddle with their Omni-Tool, "Alright then, Shepard. We welcome you to our fine port. May we ask what brings you here? We need to make note of everyone who comes and goes."

He was straight forward with them. "Just waiting for an alliance ship to arrive and pick up our friend here," Shepard gestured to the Spartan as he spoke.

"Thank you. Have a pleasant evening," the two Quarian's then wandered off to do other duties.

Jastis looked at Shepard. "Why are you no longer called Commander?"

The former Commander looked at the Spartan. "It's a long story; if you stick around long enough maybe you will hear it."

The Spartan smiled under his helmet, "I hope I do." Granted he wouldn't stay to hear it if it meant not being able to go back to his dimension, he still had much to do there. His duty as a Spartan wasn't over yet.

It was a while until Marcus's ship, the large and slick SSV Colorado, to arrive, but it didn't land on the planet like Shepard thought it would. Instead a drop ship came down and arrived just ahead of them. Marcus, a medium-height man with brown hair, blue eyes, wearing the standard Alliance Captain attire walked out of the drop ship with one Alliance Soldier and next to him a blue colored woman, at least he assumed, stood next to him on her Omni-tool. She didn't have hair but what looked like tentacles going to the back of her head.

Each of them saluted to each other. "Shepard," Marcus spoke as he looked at the three.

"Captain Marcus, it's good to see you. This is the Spartan I mentioned to you in the message," John stated.

The Captain nodded his head; he was impressed at the Spartan. "So I see," he looked at the Spartan inspecting him, "Willing to explain who this is and why it was important to call me out here?"

Shepard nodded his head, "Sir, this is Spartan-015 and this may sound crazy but this man, is from another dimension, one that the System's Alliance doesn't exist, no Quarian's, no Asari, in fact the only similarity we see so far is that Human's exist in both."

There was silence for a moment, and then Marcus just laughed which Jastis found odd. "You know, if you were told me this before the discovery of the Reapers and that God Child AI thing, I would call you crazy but after all of that, I can believe this."

"He also wishes to be with the Alliance while he is here. That is why I called you here. He agreed to it obviously, and it's better to have him work for the Alliance then sit around doing nothing until he finds a way back home."

"Alright then, if you're going this far for him, I will see if I can get him in. If there isn't anything else, we will be going then."

The Commander shook his head, "Nothing else. Good seeing you and good luck Spartan." him and Tali turned and hopped into their vehicle and they flew off within seconds. Marcus signaled for Jastis to follow and they entered the drop ship.

June 6th, 2191 – Perseus Veil – Tikkun System – SSV Colorado – 1700 Hours.

They hadn't left the system yet, and Jastis simply sat in the debriefing room waiting for the Captain to come back. The Alliance Ships were different then the UNSC ships, but not far different then the Infinity, it had a dark blue and silver tint to everything rather than the standard UNSC grey which was hardly pleasing to look at. Aside from that it still felt a bit alien, it was strange to be on a ship with other Humans but the ship not being an UNSC ship.

While he waited, he was given a Codex which luckily transferred into his system's file so it was readable. It was good to get some knowledge about where he was so he didn't feel so out of place. He read about all of the races and their histories. It was all so different from his own universe and almost unimaginable how short their first contact war lasted compared to the Human-Covenant War.

He also was interested in how they treated AI's, it seemed until the end of the Reaper War, they were outlawed, ever since then the law has been loosened as Geth have begun to be everywhere and integrated into Society. Another odd thing was how they were AI's with bodies; it would have been odd to have seen Marsiani with a physical body.

Lastly the thing that interested him the most was their technology, this Mass Effect they called it, was nothing like back home. It didn't appear to be as advanced as the Forerunner technology they have gotten from their various 'caches' they have found but it was still better than lots of their own tech. It could give the UNSC an even larger advantage over the splinter Covenant Faction "Storm" and even the remaining Insurrectionists.

The door to the room opened and the Asari from earlier walked in but the Captain was not with her. "Hello, I am Varina, an Asari. The Captain will be joining us in just a moment," she moved to the table and sat down, "what do you think of our universe?"

Jastis exited the Codex, "It's quite different from my own."

"Good or bad different?"

"Can't say till I see everything first hand," He noticed she was typing something down as they spoke, he assumed probably a report. Just then the Captain, Marcus, walked in and sat himself down, while Jastis stood and saluted, even if he wasn't a Captain form the UNSC, he still was the Captain of a ship so that deserved his respect.

"To get to get familiarize with each other, I will tell you a bit about myself, Varina will do the same, and I hope you will too. I am Captain Marcus of the System's Alliance, Humanity's government and military in this universe. I am 32 years old and was born on Earth in New York, the state not the City. I have been a Captain since the end of the Reaper War, I run a tough shift, so while on my ship be prepared to work." He then passed on to Varina, he wasn't too pleased with the idea of sharing information about himself, but if he needed to.

Varina relaxed and placed her arms on the table, "Alright, so I am Varina, like I said before. I am an Asari who is currently working under Captain Marcus as part of a sort of internship with the Alliance that will also help make myself more familiarized with Human culture outside of just seeing one on the Citadel. I am also 152 years old and was born on Thessia, us Asari live for quite a long time, I hope that was in the Codex."

Jastis nodded and she smiled. He also remember that it said their race was all female, which unlike anything from his own universe. It took him a moment to think of what to say, "I am Spartan-015, part of the UNSC, the Human Military group of the UEG, the first stands for the United Nations Space Command and the latter stands for the United Earth Government. I am a Spartan, a group who I will keep classified at the moment even if the UNSC doesn't exist here. But I will say the Spartans; we were made to protect Earth and all of her colonies. Any further information I can't divulge."

Marcus seemed satisfied, "Well at least you were able to share that much with us. Spartan-015, I have been thinking it over before coming in here, and I actually have a mission you could do if you're up for it."

"I am," he stated bluntly.

"Great, I will send you all of the details. For now," he looked over at Varina, "please bring Spartan-015, to the armory; he doesn't appear to have any weapons on him. If need be have the armory master teach him how to use them probably won't take him long to get a hold of it."

"Yes Captain Marcus, please follow me Spartan," she and the Spartan stood up and Jastis saluted Marcus as they walked out. Once the door closed Marcus began on a terminal which came out of the table.

"Best send this information to Hackett."

June 6th, 2191 – En Transit - SSV Colorado – Armory – 1800 Hours.

"Lastly this is the Vindicator, a burst-fire rifle," as the Armory Master shot out a couple bursts. Jastis decided that is what he would take with him. They had been at this for an hour of the Armory Master showing him their entire weapon tech.

The Armory Master was Dean Uvan, a Human and War Veteran who survived the Reaper War while being on Earth the whole time. "I will take the Vindicator, the Javelin, and lastly the Claymore."

Dean handed him the weapons, "Whatever you want big guy, you seem like you could even hold a fourth weapon with how much weight you seem to be able to carry. Take this M-12 Hornet SMG, just in case." the Spartan took the weapon.

He was already familiarized with all of their weapons and how to use them, it was different but a Gun is a Gun and he will use it just like he used them in his dimension. Just then he got the information for the mission.

They were heading to a place known as Omega, an asteroid city, full of thugs, pirates, and various factions fighting over for control. The image they showed almost reminded him of High Charity, but a lot smaller. Apparently some Alliance soldiers have been kidnapped after visiting and insulting some of the wrong people. The people they insulted were the Blood Pack, and while the mission is to rescue, it does state low chances of their survival.

"Well, let's get this going," he stated leaving the armory.