The use of M151 officially by the United States Department of Defense conducted the Vietnam War, Korean War and continued until 1980, before being replaced with a Humvee. But specific to the variant M151 FAV (Fast Attack Vehicle) still used by the Marine Corps until 1999, because it is considered to have high flexibility to be taken by using a C-130 cargo plane or CH-53 heavy transport helicopter, like the war in Kosovo.
As a military vehicle, M151 is used by more than 100 countries.
Remarkably, only used by 15 countries who are members of NATO such as Canada, Denmark, Lebanon, Israel, the Philippines and the United Kingdom. M151 also exported to non-NATO countries such as Pakistan