[Captain Kwok]

Any new ship entries will be available to all races by default. What you need to do is for the the primary image, specify the name of your new Federation ship picture, and then for the alternate image choose a picture that the other races already have by default.

For example, say you wanted to add a second type of frigate because you wanted to use your nifty Sabre-class image. You can copy the existing frigate entry, and change the primary image name to something like 'SabreClass' while keeping the alternate as 'Frigate'. You can change the stats of the new ship if you want or keep them the same.

If you're editing Atrocities' Star Trek mod, you can restrict the new ship entry to the Federation only, by adding a new tech requirement set to level 1 in 'Federation Tech' or something of that sort. Look at the heavy destroyer (defiant) entry to doublecheck what Atrocities used.

Also note you'll need both a 128x128 portrait size image and a 36x36 top-down image of the new ship you're adding.