If you’re looking for a solid example of truth in advertising, look no further than the Grumman LLV, the United States Postal Service’s primary last-mile delivery vehicle for the past three decades. What Was The Grumman LLV? The LLV (Long Life Vehicle) entered into regular service in 1987, and was designed for a service life … Continue reading What Was The Grumman LLV? Mail-Truck Mainstay