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Updated June 7, 2021
The Marine Corps' Amphibious Combat Vehicle (ACV)

Background
According to the MarineCorps:
The Amphibious Combat Vehicle (ACV) is the
Corps' next-generation vehicle designed to move
Marines fromship to shore (Figure 1). Designedto
replace the Corps' aging Amphibious Assault
Vehicle (AAV - in service since 1972), the ACV
will be the primary means of tactical mobility for
the Marine infantry battalion at sea and ashoie
(Figure 2). The ACV will possess ground mobility
and speed similar to the M1A1 tank during
sustained operations ashore andhave the capability
to provide organic, direct fire support to dis nunted
infantry in the attack. The ACV will support
expeditionary mobility capability and capacity with
balanced levels of performance, protection and
payload.
There are currently four ACVvariants planned: (1) a
Personnel Variant, which can carry three crew members
with 13 Marines andtwo days of combatequipmentand
supplies; (2) a Command and Control Variant; (3) a
Recovery Variant; and (4) a 30-mm Gun Variant. The
Marines intend for the ACVto provide effective land and
tactical water mobility (ship -to-shore and shore-to-shore),
precise supporting fires, and highlevels of force protection
intendedto protect againstblasts, fragmentation, and
kinetic energy threats.

Figure I. Amphibious Combat Vehicle in
Ship-to-Shore Mode

Source: https://www.baesystems.com/en -us/multimedia/amphibious-
combat-vehicle-I I-acv-I 1,accessed February 3,2021.

Figure 2. Amphibious Combat Vehicle Ashore

Source: https://www.baesystems.com/en-us/multimedia/amphibious-
combat-vehicle-I -1-acv-I --, accessed February 3,2021.
Current Program Status
In June 2018, the ACV entered Low-Rate Initial Production
(LRIP) with BAE Systems selected forthe first 30vehicles
to be delivered in fall 2019. In November 2020, the ACV
achieved Initial Operational Capability (IOC). In December
2020, a Full-Rate Production (FRP) decision was reportedly
made by the Marine Corps afterhaving beendelayedfrom
September2020 due to issues related to Coronavirus
Disease 2019. The current planned acquisition objective of
632 ACVs would replace AAVs in Assault Amphibian
battalions. Theprevious acquisition objectiveof 1,122
ACVs was reduced in accordance with Marine Corps Force
Design 2030 modernization efforts (see CRS Insight
IN11281, New U.S. Marine Corps ForceDesign Initiatives,
by AndrewFeickert). Reportedly, ACVproductionis to
take place at BAE Systems facilities in Virginia, California,
Michigan, SouthCarolina, and Pennsylvania.
Low-Rate Initial Production (LRIP) is a programmatic
decision made when manufacturing development is completed
and there is an ability to produce a snll-quantity set of
articles. It also establishes an initial production base and sets
the stage for a gradualincrease in the production rate to
allow for Full-Rate Production (FRP) upon completion of
Operational Test and Evaluation (OT&E).
Full-Rate Production (FRP) is a decision made that allows
for government contractingfor economic production
quantities following stabilization of the system design and
validation of the production process.
Initial Operational Testing Observations
During Marine Corps initial operational test and ev aluation
(IOT&E) conducted fromJune to September 2020, the
Department ofDefense Director of Operational Test and
Evaluation (DOT&E) noted the following:
 The ACV demonstrated water mobility and the ability to
self-deploy fromthe beach, cross the surf zone, enter the
ocean, and embark aboard amphibious shipping. The

https://crs reports.congress.gov

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