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Informing the legislative debate since 1914


Updated September 10, 2024


Defense Primer: United States Transportation Command


United States Transportation Command (USTRANSCOM)
is a Department of Defense (DOD) combatant command
responsible for providing air, land, and sea transportation
across the globe to meet national security needs.

History   and   Role
Established in 1987 and headquartered at Scott Air Force
Base, IL, USTRANSCOM serves  as the U.S. military's
primary logistics command, conducting global mobility
operations, enabling joint force projection and sustainment,
and functioning as the lead DOD element for transportation,
global patient movement, and bulk fuel management and
delivery.

USTRANSCOM has provided strategic mobility in support
of several major contingency operations, including
Operation Desert Storm, Operation Enduring Freedom, and
Operation Iraqi Freedom. The command has also played a
central role in emergency operations, such as the 2021
Afghanistan noncombatant evacuation operation, and
security assistance efforts, including the provision of
materiel to Ukraine (following Russia's 2022 invasion) and
Israel (following Hamas' 2023 attack on Israel).

Activities   and  Resources
USTRANSCOM uses a mix of   military assets, commercial
transportation providers, and foreign partnerships to move
DOD  personnel and materiel across the globe (see Figure
1). In a given year, USTRANSCOM also transports
thousands of medical patients, and handles the shipment of
personal property in support of hundreds of thousands of
permanent change of station (PCS) moves.

Figure I. USTRANSCOM Activities
In 2023, USTRANSCOM  transported:


A


USTRANSCOM's workforce is   approximately 73%
military and 27% civilian, with a reported combined end
strength of 17,120 for fiscal year (FY) 2024.
USTRANSCOM finances its   activities through the
Transportation Working Capital Fund (TWCF), a defense
working capital fund. The TWCF allows USTRANSCOM
to conduct activities with minimal need for annual
appropriations: instead, DOD components and other federal
agencies place orders for transportation services, paying
into the TWCF out of their own appropriated funds. As of
2024, USTRANSCOM reported   spending approximately
$9.5 billion on transportation annually.

Organization
USTRANSCOM is comprised of   a headquarters element,
three Transportation Component Commands (TCCs)
assigned from the Army, Navy, and Air Force, and two
joint subordinate commands (see Figure 2).

Figure 2. USTRANSCOM Organizational Chart

       TRANSCOM    ''n





         JV




   Mili tary Surface  Mllitsry Sai   Air Moii Command  C&,nman
   Deployment and Command
   Dis  .oibutioo Command


Source: CRS graphic based on analysis of USTRANSCOM data.

Transportation  Component Commands
Military Surface Deployment and Distribution
Command   (SDDC).  SDDC  is the USTRANSCOM   Army
component responsible for surface transportation.
Headquartered at Scott Air Force Base, IL, SDDC uses
DOD  capabilities and commercial partnerships to move
equipment and personnel by rail, road, and waterway.
SDDC  also provides ocean terminal services, traffic
management, and transportation engineering globally.
SDDC  is a major subordinate command to Army Materiel
Command.

Military Sealift Command (MSC). MSC  is the
USTRANSCOM Navy component responsible for   sealift
and ocean transportation, providing logistics support,
moving equipment and cargo, and supplying U.S. and


Source: General Jacqueline Van Ovost, Statement Before the
Senate Armed Services Committee on the State of the Command,
April II, 2024, https://www.armed-
services.senate.gov/imo/media/doc/van ovost-statement.pdf.

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