General of the Army is a five-star general officer and is the second highest possible rank in the United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

. A special rank of General of the Armies

General of the Armies

General of the Armies of the United States, or more commonly referred to as General of the Armies, is the highest possible officer rank of the United States Army.Only two soldiers have been granted the rank of General of the Armies; John J...

, which ranks above General of the Army, does exist but has only been conferred twice in the history of the Army. A General of the Army ranks immediately above a general

General (United States)

In the United States Army, United States Air Force, and United States Marine Corps, general is a four-star general officer rank, with the pay grade of O-10. General ranks above lieutenant general and below General of the Army or General of the Air Force; the Marine Corps does not have an...

 and is equivalent to a fleet admiral and a General of the Air Force

General of the Air Force (United States)

General of the Air Force is a five-star general officer rank and is the highest possible rank in the United States Air Force. General of the Air Force ranks immediately above a general and is equivalent to General of the Army in the United States Army and Fleet Admiral in the United States Navy;...

. There is no established equivalent five-star rank in the other Federal uniformed services

Uniformed services of the United States

The United States has seven federal uniformed services that commission officers as defined by Title 10, and subsequently structured and organized by Title 10, Title 14, Title 33 and Title 42 of the United States Code.-Uniformed services:...

 (Marine Corps

United States Marine Corps

The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

, Coast Guard

United States Coast Guard

The United States Coast Guard is a branch of the United States Armed Forces and one of the seven U.S. uniformed services. The Coast Guard is a maritime, military, multi-mission service unique among the military branches for having a maritime law enforcement mission and a federal regulatory agency...

, PHSCC, and NOAA Corps).