The US visa application form is called the non-immigrant Visa Electronic Application (DS-160). It is completed online and consists of several sections where applicants provide personal information, travel details, and background information. The form requires details such as passport information, employment history, and family background. Applicants must also upload a recent photograph as per the specifications provided. It is important to accurately and truthfully fill out the form as it is used to determine eligibility for a US visa. Once completed, the form is submitted electronically.