public void UpgradeClicked(int upgradeId)
        {
            if (isAddingUpgrade == true)
            {
                ClearState();
                build.AddUpgrade(uniquePilotId, upgradeId);
                SquadsPage squadsPage = (SquadsPage)Pages.pages[PageName.Squads];

                UpgradeModifiers.AddUpgrade(build, uniquePilotId, upgradeId);

                NavigationService.Navigate(squadsPage);
            }
        }