This is a one-time transaction for outright purchase of the domain name uas.org. After the payment, complete ownership and control of uas.org will be transferred to you. This transaction will be processed by NameSilo(TM) - an ICANN accredited registrar. The domain commands a premium price because of its length, wordage, age, memorability, or a combination of these things. Your only future payments will be the annual registrar's fee which depends on the registrar you choose to keep the domain name with (the current registrar, NameSilo, has a very low annual fee of under $11 per year).