If you are planning on going to USA, whichever means you choose to you when applying or sailing there you have to apply for an ESTA. An ESTA which is also known as electronic system for travel authorization is usually a Visa waiver application. When you have this waiver it means that you don't necessarily have to apply for a visa meaning you can visit USA anytime you want without a visa. You have to apply for this at least three days before your date of Departure. Read more about ESTA Visa from ESTA application. The good thing about this weather is that you can apply for it from wherever you are as long as you have access to the internet. The application is usually done online. You can apply for it without anyone’s help because all you need to do is fill in personal information. When the application is accepted you can visit America as soon as you want to. The best thing about this application is that if it is approved you can use it for a good amount of years. This means that you don't have to apply for another waver every time you want to visit USA.
The first thing that you need to know before you apply for the waiver is that your country has to be part of the ESTA Visa waiver program. If your country is not part of the program then you application will be rejected. You also have to be citizens by birth to be eligible for the waiver. This waiver only allows someone to stay in the country for a duration of 90 days. If you want to stay in America for more than 90 days you have to apply for a visa. When applying you allocate the reason as to why you are visiting a country. Click ESTA update to read more about ESTA Visa. This waiver is mostly approved for applicants who are planning ongoing as tourists or for business purposes. For every applicant they are usually given an application number. This number is important and should always be safely kept and not shared with anyone. You can check the status of your application on the website that you made the application on. It might take a few days to get your results therefore you need to keep on checking for your status. If your application is approved it is up to the officer in charge are the airport or the Port to decide if you will enter America. Learn more from https://www.encyclopedia.com/social-sciences-and-law/law/law/visa.