The Cadillac Gage Commando is a 4x4 amphibious

Amphibious vehicle

An amphibious vehicle , is a vehicle or craft, that is a means of transport, viable on land as well as on water – just like an amphibian....

 armored car built by the American firm Cadillac Gage

Cadillac Gage

Textron Marine & Land Systems is an American military contractor that manufactures armored vehicles, turrets, advanced marine craft, surface effects ships, and other weapon systems...

. The vehicle has been outfitted for many roles, including armored personnel carrier, ambulance

Ambulance

An ambulance is a vehicle for transportation of sick or injured people to, from or between places of treatment for an illness or injury, and in some instances will also provide out of hospital medical care to the patient...

, fire apparatus

Fire apparatus

A fire apparatus, fire engine, fire truck, or fire appliance is a vehicle designed to assist in fighting fires by transporting firefighters to the scene and providing them with access to the fire, along with water or other equipment...

, anti-tank vehicle, and mortar carrier. They saw service in the Vietnam war

Vietnam War

The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

 where it became known as the Duck, or the V. It was also supplied to many US allies, including Lebanon

Lebanon

Lebanon , officially the Republic of LebanonRepublic of Lebanon is the most common term used by Lebanese government agencies. The term Lebanese Republic, a literal translation of the official Arabic and French names that is not used in today's world. Arabic is the most common language spoken among...

 and Saudi Arabia

Saudi Arabia

The Kingdom of Saudi Arabia , commonly known in British English as Saudi Arabia and in Arabic as as-Sa‘ūdiyyah , is the largest state in Western Asia by land area, constituting the bulk of the Arabian Peninsula, and the second-largest in the Arab World...

 which used them in the first major ground engagement of the 1991 Gulf War.