The competition for the project ended in 2018 with the birth of an eight-wheel drive armoured fighting vehicle, based on the Italian Iveco SuperAV.

Its water performance will be comparable to the AAV and will have survivability attributes of a Mine-Resistant Ambush Protected (MRAP) vehicle, including high-ground clearance and a V-shaped hull, with the ability to drive with a wheel blown off.

For the second lot buy (1.2), engineering and design changes will be made to meet roughly half of desired amphibious vehicle fleet size requirements.

[citation needed] Improved technology used to inform requirements to build ACV 1.2 vehicles will later be applied to delivered 1.1 versions to upgrade them to 1.2 standard.

Armament will consist of an M2 .50-caliber machine gun in a remote weapons station, with the potential to install a stabilized dual-mount M2/Mark 19 grenade launcher turret.

[17] The second phase is the original high-water-speed effort to develop a vehicle capable of self-deployment from ships, and travel at speeds of 13–15 kn (24–28 km/h) on water, each costing $12–$14 million.

This last phase of ACV procurement would be purchasing a high-water-speed vehicle, but only if technologies make it achievable without sacrificing armor and weapons.

[19] In April 2013, Defense Advanced Research Projects Agency (DARPA) awarded a $1 million prize to a team in the Fast Adaptable Next-Generation Ground Vehicle (FANG) contest.

The FANG initiative was to demonstrate a way to procure working systems better than the current defense acquisition process, which frequently leads to delays and cost overruns.

The Marines are in charge of the ACV program, so there was no guarantee that the DARPA-crowdsourced mobility drivetrain would result in a vehicle bought by the Corps.

[20] At a roundtable discussion in June 2013, Marine Corps General Jim Amos told the media that the program was still being pursued and that a Request For Proposals (RFP) would be issued in early 2014.

[21] In January 2013, the ACV team was created and tasked to evaluate the feasibility of building an affordable, survivable amphibious high water speed vehicle.

Over the next month, the team ordered the preferences and applied actual cost and weight data to determine feasibility recommendations for Marine Corps leaders by the fall.

Merging the two phases to meet higher requirements earlier could speed up the acquisition timeline and drive down price, since the quantities for both would be bought in bulk.

[24] In July 2015, Lockheed Martin revealed it had ended its association with Finnish company Patria on their previous collaborative Havoc offering for the program.

Both BAE System's and SAIC's ACV 1.1 test vehicles could self-deploy and swim from a ship, in contradiction to General Dunford's testimony in March 2015.

Each company was awarded a contract to build 16 vehicles by late 2016, 13 initially and three more when funding becomes available, with testing beginning in early 2017 and lasting one year.

[6] In December 2020, the Marine Corps and BAE Systems announced the commencement of full-rate production, with an initial batch of 36, expected to grow to 72 in early 2021, with an option for 80 vehicles per year thereafter.

[34] A January 2021 report from the Department of Defense's Director of Operational Test & Evaluation (DOT&E) pointed to several problems with the ACV, including cramped quarters, difficult egress and frequent breakdown.

[35] In August 2022, the U.S. Marine Corps awarded BAE Systems an $88 million contract to build multiple ACV-30 Production Representative Test Vehicles (PRTVs).

It mounts a stabilised, medium-calibre weapon system to provide lethality and protection the Marines need while leaving ample room for troop capacity and payload.

In August 2022, the USMC awarded BAE System with a contract to manufacture multiple production-ready test vehicles (PRTV) for US$88 million.

[40] In April 2024, received a contract to build and deliver production representative test vehicles (PRTV) of the ACV-R for US$79 million.