S3 Global Logistics Support Services (GLSS) is a wholly owned Subsidiary of System Studies and Simulation, Inc. (S3). GLSS provides an impressive catalog of logistic solutions, including field, sustainment and depot level maintenance for air and ground vehicles, weapon systems, and equipment; military and commercial supply operations and accountability; and planning, coordination, execution, and management of asset transportation by air, land, and sea.  GLSS provides customer support in all phases of logistic solutions, including procurement, supply, maintenance, and movement of resources.

GLSS is collocated with the parent company, S3, and headquartered in Huntsville, AL. When appropriate, GLSS is the executive agent for major S3 logistics support operations, Service Contract Act (SCA) Business Lines, and for opportunities supported by Collective Bargaining Agreements.  GLSS is responsible for the management and operation of the USAF Contract Field Team and USN SEAPORT-e contract vehicles.

Functional Capabilities

  • Ground Vehicle and Weapon Systems Maintenance
  • Rotary and Fixed Wing Aviation Maintenance
  • Support to Standard Army Management Information Systems (STAMIS)
  • Supply Support Activity (SSA) Management and Operations
  • Property Control and Accountability
  • Transportation Operations and Management
  • Technical Support Services





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Last Updated 11/12/2018