A passport is an identification document issued by your country to permit you to travel internationally.
Even though passports and visas are widely different from one another, there are different types to it. They are:
01
Regular Passport: It is a dark blue color passport. You can hold it despite your citizenship
02
Service Passport: This passport is grey. This passport is only available for non-personal services.
03
Official Passport: This passport is maroon in color. These passports are exclusively for citizen-employees of the US.
01
Diplomatic Passport: This passport is black. In this case, this is only issuable for American diplomats accredited overseas.
02
Refugee Travel Document: This passport is blue green. These passports are only granted to refugees. This is technically not a passpor
03
Emergency Passport: This passport has a violet cover. These are issued to citizens overseas for urgent circumstances.