Alice, I've added some sources as well as removing the U.S. project box from the profile. You can't have a project box on a profile without having the project as a profile manager. You would need to contact the project if you want them to be a manager and tell them why they need to manage it. Projects tend to have stickers that people can place on profiles of their ancestors. A maximum of three is allowed. On your personal profile, though, you can have as many stickers as you would like. Stickers are not making a profile a part of a project.
Here is a link with regard to project boxes.