There are several options for U.S. citizens that wish to file a visa petition for a foreign fiancée or spouse outside the U.S. In this article we will analyze the most common ones, as follows: K-1 VISA The U.S. citizen files a K-1 petition with USCIS; USCIS then forwards the approved petition to National Visa Center (NVC) for processing; The fiancée applies for a K-1 visa (unmarried children under the age of 21 apply for K-2 visas) at the U.S. Consulate abroad; The fiancée ap