public EnemyLauncher findLauncherById(String launcherId) {
		EnemyLauncher user_launcher = null;
		for (EnemyLauncher launcher : getLaunchers()) {
			if (launcher.getLauncherId().equalsIgnoreCase(launcherId)) {
				user_launcher = launcher;
				break;
			}
		}
		if (user_launcher != null) {
			return user_launcher;
		} else {
			return null;
		}
	}