Applying for a US Passport can be a daunting process, starting with trying to determine what you are eligible for and what are the requirements for a specific passport service.
Bonus : Differences between a Passport Book and Passport Card
To start there are two types of "passports". A US Passport book is a physical book with pages inside it for stamps and travel visas. Books are required for air travel and are definitely the most common type of passport available. There are more than 20 million issued every year. Another "passport" is a US Passport Card. Passport Cards are the size of a drivers license and are useful as a form of ID and travel via car and sea to Mexico, Canada and the Caribbean.
Now that we have established the difference between a passport card and passport book, let's dive into the types of services available.