Sorry this has taken me so long to do but I couldn't exactly ignore my schoolwork now, could I?

            'I can't believe I'm doing this.'

            'I can't believe I'm General.'

            Sam looked at Jack disapprovingly.  'Sir, by doing this we could change things irreversibly.'

            'How d'you work that out, Carter?'

            'What we learn by visiting the future could influence the decisions we make in our future.  In Lieutenant Turner's time we'll already have made the decision and if we don't like the outcome we could just change our minds on what we decide when it comes to our turn to make the decision.'

            'Don't confuse me, Carter.' Jack held a hand to his head.  'Do you have a pen and paper?'

            'Why?'

            'So I can make a note to myself never to ask you 'how' again.'

            Sam looked as if she was about to retort when the Stargate leapt into action.  Up in the control room there was a flurry of movement as the technicians scurried to their computers and began comparing data.  General Hammond's face appeared at the blast window and he shouted an order to the nearest technician.

            'Wait!' Trinity cried, waving her hands to attract the General's attention.  'Don't close the iris!'

            'Why not, Lieutenant?'

            Trinity felt a hand on her shoulder and turned to see Major Carter.  'They're opening a way home.' she said and pointed to the Stargate as it began spinning anti-clockwise, gaining speed.

            All eyes were drawn to the Stargate as it became a blur and screeched from the friction burning into it.  Again the static crackle flashed through the air and grew louder.  Then there was silence and the movement came to a dead halt.

            'What the-'

            Jack's exclamation was lost in the rush of green light as the event horizon surged forward and relaxed back into the vertical pool.

            A wave of nausea swept through the 'gate room and SG1 had to fight to hold back the impulse to vomit, even Teal'c was affected.  Jack took a deep breath to calm his stomach and turned to Trinity.  The young woman smiled back at him, recognising the face he was pulling.

            'Home.' she said over the hum of the 'gate.

            'What?' Jack was at a loss.

            'This is why you only had an hour.'  A look of understanding passed across Sam's face. 'If you missed this …'

            Trinity nodded happily.  'We couldn't risk you learning how to time travel, so I was given a deadline and at that specified time they would open a gateway back.  Now, we should move quickly 'cause these gateways are unpredictable, they can cut out at any time.'

            She made to step forward but Jack held her back.  'Err, Lieutenant, what exactly does TTS feel like?'

            Trinity looked back into the eyes of the man she had known all her life, reading him easily.  His face was anxious and his tone hesitant, but she knew he would never back out of an adventure, no matter what the danger.

            'Like riding a roller coaster,' she saw him relax and her smile widened 'upside down, through a hurricane, after you've eaten a whole chocolate cake.'  She turned away quickly to hide her laughter and walked steadily up the ramp.

            Jack looked at his team and they exchanged uncertain glances before following the woman they had only met an hour ago into the great, green, unknown.

            Jack felt his feet hit a hard surface with a jolt that shook his whole body and made his stomach lurch.  Ahead of him Lieutenant Turner was making her unsteady way down a metal-mesh ramp.  He took a few shaky steps after her but was forced to stop as the arrival of his team shook the ramp and made him feel queasy.

            A clatter of footfalls announced the arrival of a five-strong group of men.  They stopped at the base of the ramp and a blonde-haired man stepped forward.  His face was a mixture of awe, wariness and shock.

            'Lieutenant O'Neill.  General.  Colonel'

            'Yeah, one of them.'  Jack said aware of the haze enveloping his mind.  'Hold on …'

            He turned to Trinity and pointed accusingly.  He saw her attempt to smile but the force of the nausea was too great and she had to turn away to relieve it.

            Then, as the facts merged and began to settle in, Jack felt his stomach convulse and he retched.  But he wasn't the only one, his whole team followed suite and the blonde man averted his eyes, his face now full of disgust.

            Jack moaned.  'Shouldn't have had that cake.' he muttered before collapsing next to his daughter on the floor.