The mast for the Freedom Class changed after the USS Milwaukee (LCS 5) and beyond with a new lower streighter mast. This was designed to have a lower profile, and matain the navigation lights. This is designed to fit onto the Homeport Model laser set.
You can see the build of our ships at https://www.flickr.com/photos/homeport/albums
, or visit our web site at http://www.homeportmodels.com