It took nearly a decade, but it's starting to look like United Launch Alliance (ULA) might finally get sold this year. Earlier this month, Ars Technica reported that Boeing (NYSE: BA) and Lockheed Martin (NYSE: LMT) are planning to sell their space launch joint venture ULA (possibly by way of one of the partners buying the other out), and that the sale will happen before the end of 2023. As in, how much might ULA be worth if it really is for sale?