OOC: is the spore drive something only the Discovery has or do all of the Discovery class ships have one?

IC:
As Rodier removed what were now obviously headphones and had modulated his voice Shane was mortified at his assumption. As he sat down as requested he almost missed the Lieutenants question.

“I just got here sir” he said. “It feels great to be back in space, I’m excited to get to stay out here for awhile. Being on earth has been nice but I have missed being out here a lot.”

He looked a little nervous as he asked. “What kind of action can I expect to see while I am here, I would like to prepare as best I can.”

~Cadet Shane Flanaghan - Security