1.) Enter the command room
2.) Click the 'Produce' button
3.) Click the 'Materials' button and update materials to be used
4.) Once updated click the 'Add' button
5.) Enter how many workers to use and the name of the ship then the 'Add to Queue' button.
6.) Click the start button. If there is another ship being produced, you can skip this step.
7.) Ship is being produced (unless you skipped step 6)