We'll do the landing struts together, but you can feel free to finish off the actual skids yourself:
I kept mine pretty simple, compared to other parts of the ship:
Once you've got the skid plate done, make sure to make it a separate object (if it's not already). We're going to use a neat trick to finish this up.
Make a copy of the landing gear part and move it to the rear section (or front, if you modeled the rear). Then, under your Mesh tab, you can assign both of these objects the same mesh data:
Now, whenever you make ...