The Marine Corps plans to replace the amphibious assault vehicle with 1,013 advanced amphibious assault vehicles for $6.7 billion, including a $456-million increase due to a 2-year procurement delay. With a water speed of 23 to 29 miles per hour, the new vehicle could be launched from amphibious ships 25 miles or more offshore and reach shore far more quickly than the current vehicle. This improved mobility would reduce the risk to Navy ships from missiles, aircraft, boats, and mines. Until the new vehicle is fielded, beginning in 2008, the Marine Corps anticipates spending more to maintain the current vehicle.

The Marine Corps is developing the AAAV to replace the AAV as its primary combat vehicle for transporting troops on land and from ship to shore. The AAAV must satisfy many operational requirements, which will provide increased capabilities compared to the AAV and improve the ship-to-shore movement, thus allowing the Marine Corps and the Navy to more effectively implement OMFTS. Table 3.1 compares selected AAAV requirements with the AAV's current capabilities