Polaris Intelligence
Polaris
Intelligence
About
Ctrl K
Sign in
© Polaris Intelligence 2026
PrivacyTermsAdmin

Military Sealift Command

US

The Military Sealift Command (MSC) is a U.S. Navy organization that provides ocean transportation and strategic sealift to the Department of Defense and other government agencies. MSC operates a fleet of approximately 125 civilian-crewed ships that replenish U.S. Navy vessels, conduct specialized missions, and move military cargo worldwide. As a component of the U.S. Transportation Command, MSC delivers agile logistics and support to the joint warfighter across the full spectrum of military operations. Key services include combat logistics support, special mission support, prepositioning of military supplies, and ocean transportation of cargo.

gov defense
United States
www.msc.navy.mil
Admin Edit
0.0-5.0

All verified mentions of this organization in source documents.

Viasat Government Services is providing a fully managed satellite service to the Military Sealift Command.

RelationshipsValue 4.0Feb 16, 2024Viasat completes first broadband upgrade on military sealift fleet

The work to upgrade Military Sealift Command ships is part of a $578,000,000 contract that Inmarsat won in 2022 before it was acquired by Viasat.

RelationshipsFinancialValue 4.6Feb 16, 2024Viasat completes first broadband upgrade on military sealift fleet

The Military Sealift Command contract is worth $578,000,000 over 10 years and was awarded in 2022 to Inmarsat Government to upgrade broadband on ships and to maintain and operate the command’s communications infrastructure, teleports, and terrestrial services.

RelationshipsFinancialValue 5.0Feb 16, 2024Viasat completes first broadband upgrade on military sealift fleet

The Military Sealift Command operates a fleet of approximately 125 civilian-crewed ships.

CapabilityValue 3.0Feb 16, 2024Viasat completes first broadband upgrade on military sealift fleet

Viasat, Inc. completed the first ship installation for the U.S. Navy Military Sealift Command under the Next Generation Wideband Follow-On 10-year Indefinite Delivery/Indefinite Quantity contract awarded to Inmarsat Government by the Defense Information Systems Agency on 2022-06-30.

RelationshipsPlanGeneralValue 4.6Feb 14, 2024Viasat’s 1st U.S. Navy Military Sealift Command Ship installation

The company upgraded the Military Sealift Command ship’s primary afloat network from Ku-band to the Global Xpress Ka-band system.

CapabilityRelationshipsValue 4.5Feb 14, 2024Viasat’s 1st U.S. Navy Military Sealift Command Ship installation

Viasat upgraded the Military Sealift Command ship’s primary afloat network from Ku-band to the Global Xpress Ka-band system.

CapabilityRelationshipsValue 4.6Feb 13, 2024Viasat Announces First U.S. Navy Military Sealift Command Ship Installation

Inmarsat Government won a $578 million, 10-year contract to maintain and operate the Military Sealift Command’s communications infrastructure, including satellite systems, teleports, and terrestrial services.

RelationshipsFinancialCapabilityValue 5.0Feb 14, 2023Cobham to supply satellite terminals to Inmarsat for U.S. Navy network

Inmarsat will upgrade the Military Sealift Command’s ship-based communications systems from Ku-band to Ka-band using its new Global Xpress satellites.

RelationshipsCapabilityValue 4.5Feb 14, 2023Cobham to supply satellite terminals to Inmarsat for U.S. Navy network

Inmarsat Government was awarded the Military Sealift Command wideband services contract in August 2022 by the Defense Information Systems Agency.

RelationshipsLegalValue 4.5Feb 14, 2023Cobham to supply satellite terminals to Inmarsat for U.S. Navy network

Inmarsat Government is upgrading the primary Military Sealift Command afloat network from Ku-band VSAT to the Global Xpress Ka-band under a 10-year, $578,000,000 Follow-On contract with the Defense Information Systems Agency awarded in August 2022.

RelationshipsFinancialPlanCapabilityValue 5.0Feb 7, 2023Inmarsat Government selects SAILOR XTR terminals for new $578M U.S. Navy contract

The rollout starts immediately and includes replacing all existing Ku-band user terminals on Military Sealift Command vessels with customized rapid-deployment 1 m SAILOR 1000 XTR and 0.6 m SAILOR 600 XTR Ka-band VSAT terminals.

PlanCapabilityValue 4.7Feb 7, 2023Inmarsat Government selects SAILOR XTR terminals for new $578M U.S. Navy contract

In August, Inmarsat Government won another 10-year deal worth $578,000,000 to provide communications services for the U.S. Navy Military Sealift Command.

RelationshipsFinancialValue 4.6Oct 11, 2022Inmarsat wins $980 million U.S. Navy contract for global communications services
Track