The Grumman Long Life Vehicle or LLV is a light transport truck designed for and primarily used by the United States Postal Service

United States Postal Service

The United States Postal Service is an independent agency of the United States government responsible for providing postal service in the United States...

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In the United States, it is the most common vehicle used by letter carriers for curbside and residential delivery of mail

Mail

Mail, or post, is a system for transporting letters and other tangible objects: written documents, typically enclosed in envelopes, and also small packages are delivered to destinations around the world. Anything sent through the postal system is called mail or post.In principle, a postal service...

, replacing the previous standard letter-carrier vehicle, the Jeep DJ-5

Jeep DJ

The Dispatcher Jeep, or DJ, was a two-wheel-drive variant of the CJ series. Production started in 1955 by Kaiser that became Kaiser-Jeep in 1963. In 1970 American Motors purchased Kaiser’s money-losing Jeep operations establishing AM General, a wholly owned subsidiary, that built this model...

. It entered service in 1987. The USPS purchased over 100,000 of these vehicles, of which the last was purchased in 1994.