Disclaimer: I don't own any of these characters or anything like that, except Kohl Sirk.
Thanks in advance for glancing in the direction of my story. I'm hoping for reviews.

When a stranger is literally thrown through the Earth Stargate, SG-1 must discover who he is, why he claims to be part of SG-1 and how he opened the Iris

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Traveler: The GDO

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The three officers left the infirmary and each headed their separate ways with something urgent to do, except Carter. As the general and colonel veered off to their offices, she wandered the halls, in deep thought about what was going on.
As she wandered, she realized she was hungry and decided to head to the mess hall. When she got there she quickly scanned the room. There weren't many people around, the recent bit of action had really stirred up the base. She did however, see the friendly faces of two of her closest friends and teammates, the other members of SG-1. Daniel Jackson and Teal'c were sitting at a table near the middle of the room in silence. Daniel was immersed in a text thicker than a phone book. He had recently returned from a mission to P3X-989 and was determined to translate the obscure markings he had found. Teal'c however, was not nearly as work-oriented. He sat at the table, spoon in hand, finishing a bowl of green Jello.
Carter grabbed a tray and quickly helped herself to the day's special. She didn't really care what it was, she just had to eat something. She made her way over to the table and pulled up a chair.
"Major Carter." Teal'c greeted her in his usual monotone voice.
"Hey Teal'c, Daniel," she paused, waiting for a response from the man engulfed in his book. "Hello?"
"What? Oh sorry, hey Sam," Daniel finally answered. After a short moment of silence, he continued. "So, what's going on up in the infirmary? Find out who the kid is?"
"We got nowhere," Carter said with a sigh. "He wouldn't give us a straight answer, other than his name and the fact that he's part of SG-1."
"That is impossible," Teal'c flatly stated and Carter agreed.
"Hey, do you remember P3X-516? When we ran into that Goa'uld training facility where they were training soldiers to infiltrate the SGC?" Daniel excitedly spoke up.
"Yeah," replied Carter. "Do you think maybe there were more then one of those?"
"It is possible," Teal'c chimed in.
"So, he could just be a spy, you know, trying to get on our good side," Daniel again added.
"Then why would he say he's part of SG-1. That position would be the most suspicious and it's weird..."
"What?" Daniel inquired.
"Well, it's just... I get the feeling he thinks we brought him here," Carter said.
"We did no such thing," Teal'c added.
"Yeah, I know, but its just the way he was talking. He seems to think... I don't know... that he's a prisoner of war or something." There was a long moment of silence after Carter's remark. Then everyone went back to what they were doing before the conversation had started and it was as if it was a normal day for SG-1.
But everything was not normal for Colonel O'Neill. He had an unusual amount of paperwork to complete, and he really hated this kind of paper work. It was the really long stuff. So he sat at his desk and tried to finish it up. Every few minutes however, he found himself tapping the end of his pen against the table while his thoughts wandered up to the boy in the infirmary. Finally, he finished most of it and had to go share his work with general Hammond.
O'Neill walked to Hammond's office and knocked on the door. He was quickly invited in and the conversation started immediately.
"Well, what did you find?" Hammond asked hopefully.
"Not much. Everything he had with him was standard SGC personnel equipment. He had a M-16 in it's holster, two shots left in the clip, one in the pipe, one clip for a P-90, and everything else no SG team would leave Earth without, except his P-90." O'Neill answered.
"So we can assume he was in some sort of firefight."
"I believe we can sir."
"Anything else, colonel?"
"Yeah, his GDO, sir."
"What about it?"
"I've never seen anything like it."
"Get Carter to take a look at it."
"Yes sir."
"He opened the Iris, Jack. However he did it, we need to know. If one of our enemies created that device..."
"I know sir, things might get a little more difficult." O'Neill then turned and left the general's office to find Carter. He passed the mess hall on his way to her office and out of the corner of his eye caught a glimpse of his team at one of the tables. He headed in and saw a rather uneasy silence between the three. So, he lightened the mood.
"Hey all!" Jack said when he was standing behind the empty chair at the table. He then sat down. "Don't all answer at once."
"Hey colonel." Carter greeted and Teal'c gave a nod of salutation.
"Am I interrupting this awkward moment of silence?" O'Neill asked when no one else would say anything.
"We were just talking about-" Carter began.
"Wait... lemme guess, the infamous fifth member of our team." Carter nodded in agreement. "Well, I looked through the stuff he had with him. It was all pretty standard stuff, except for his GDO. Hammond wants you to take a look at that." Carter moved to get up. "Not now, at least finish eating."
Carter looked down and realized she had barely touched her food. She decided she might as well finish it, then get to work on the GDO. "Daniel was saying that maybe this kid is from a possible training facility for SGC spies. Like that one we busted years ago. Remember?"
"I thought there was only one of those." O'Neill responded.
"There could be many. We do not know." Teal'c added. O'Neill simply responded with an 'oh' and left it at that.
Their conversation veered off toward unrelated things as they all contributed new ideas and about half an hour later, Carter had finished her meal and was heading toward her office where the mysterious GDO was waiting for her.
She got there and found it waiting on her desk. She quickly examined it and discovered it wasn't very typical. It seemed at, first glance, almost identical to the one she wore offworld on every mission, but when she looked closer, she discovered it was remarkably different. She sat there for a few solid hours before she had a clear idea how this new, more sophisticated GDO worked. When she had a firm grasp of the physics behind it she headed to the briefing that was scheduled for that day.
Carter was the first to arrive in the briefing room. She dropped her files on the table and headed to the window where she looked down and saw the idle Stargate. Daniel arrived a few minutes later, still immersed in the same phone book-thick text. He dropped it on the table, sat down and continued reading without acknowledging Carter's presence. Teal'c and a chatty O'Neill arrived a few minutes before the briefing was supposed to start and just as they sat down. Hammond walked in. Carter took her seat and allowed the general to start.
"Seems we have a very odd predicament."
"That we do sir." O'Neill jokingly added.
"Lieutenant Kohl Sirk as he calls himself is still resting in the infirmary. Dr. Fraiser will call us the moment he's able to have a conversation. She expects it to be sometime early tomorrow. Carter, what did you find out about his GDO?" Hammond asked.
"Well sir, it looks almost identical to the ones we use. But when I examined, it I found a lot more. There seems to be a very small power cell in it. The cell was totally empty when I got it, but my data suggests it's capable of holding a very large quantity of energy, but only for a short time. The power cell was slightly damaged however. Also, I tried typing in almost all of our activation codes, none worked, so I couldn't access the memory files."
"Can't you just... hack it or something?" O'Neill piped up.
"No sir. Our own GDOs are virtually hacker proof. I made the firewalls and defenses myself. This new one is even tougher, I wouldn't even know where to start." Carter said, somewhat shamefully.
"Any idea what that flash was?" Hammond asked.
"No sir, not yet." Carter answered.
"What's the status of our gate systems?" The general asked.
"Fully operational." Carter answered.
"Good. I don't want anymore unexpected guests." Hammond said, then continued the briefing. They moved on to the markings Daniel was trying to translate, but he had had no luck yet. A few progress reports on current offworld teams followed and the briefing ended with the quick delaying of SG-1's next mission. They would be given the next week to get caught up on projects or finish reports. When Hammond said 'finish reports' he gave O'Neill a stern gaze which O'Neill tried his best to avoid and only looked toward Hammond when he continued his sentence.
The briefing ended and everyone got up to leave. Each person heading back to whatever it was they were doing before the briefing. But before long everyone was heading home. It was getting late and most people took this as a sign to go to bed. SG-1 however, did not. Each of them had something they wanted to do before they turned in for the night. Daniel stuck his nose into a few more volumes of text, trying to figure out where he had seen the symbols before, Carter sat in her lab until the wee hours of the morning finishing a Naquadah reactor project she started weeks ago. Teal'c pulled his favorite movie, Star Wars, off the shelf and proceeded to watch it for the thirteenth time and O'Neill sat out on his balcony and looked into his telescope, catching up on his favorite hobby.

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