Colonel John Sheppard tapped his foot in boredom as he watched Doctor Rodney Mckay examine a wall covered in ancient text, excitedly. "Ya done yet doc?"John asked his voice clearly showing his boredom. Mckay turned and glared at him, saying
"You didn't have to come ya know."
"Well I had to make sure you didn't get eaten by the local wildlife."John replied half smiling.
Mckay just snorted and turned back to examining the wall. John was about to annoy him further but stopped when he heard a faint buzzing sound. He quickly lifted his P90 turning off the safety and putting his back to Mckay, pointing his gun down one of the many hall ways that lead into the small cavern, in which the noise was coming from.
"Uh...John?"
"Not now Mckay!"Sheppard replied in a harsh whisper.
"But Joh..." Mckay started but stopped as something hard and heavy hit him on the side of the head. John quickly turned around just in time to see Rodney crumple to the ground. A large man was standing over him, the barrel of -what Sheppard guessed was a gun-pointed at the scientist unconscious form.
"Drop the weapon or I will kill him."
What do you think should I continue? I'm open to some constructive criticism but please go easy on me.