The Type 18 is the new shuttlepod on DS9, mentioned in the DS9 technical manual but not seen on screen that I know of. The details on this page are largely based on the technical manual write up.

Last updated : 14th January 1999.
This page is Copyright Graham Kennedy 1998.

Star Trek et al is Copyright Paramount Pictures 1996/97.
No Copyright  infringement is intended and this page is for personal use only.
All  of the above classes of star ships and all of the
named ships are copyright Paramount 1996/97.