GCSS-Army Overview Study Guide (2026/2027 Syllabus)
Module 1: Foundations and Navigation
1. What does GCSS-Army stand for?
ANSWER ✓ Global Combat Support System-Army.
2. What is the primary purpose of GCSS-Army?
ANSWER ✓ To serve as the Army's web-based, centralized Enterprise Resource Planning
(ERP) system for logistics, financial, and asset management, enabling a "single source of
truth" for property and supply chain operations.
3. What are the three core business areas of GCSS-Army?
ANSWER ✓ Supply, Maintenance, and Property Management.
4. What is the primary user interface for GCSS-Army?
ANSWER ✓ The SAP Graphical User Interface (GUI), accessed through the Master Data
Portal (MDP) or client installation.
5. What is the role of the Master Data Portal (MDP) in GCSS-Army?
ANSWER ✓ The MDP is the central hub for accessing GCSS-Army transactions, viewing
workflow tasks, and managing user profiles.
6. What is a Transaction Code (T-Code)?
ANSWER ✓ A short alphanumeric code used to quickly navigate to a specific transaction
or application within the SAP system (e.g., ZMME for Edit Material).
7. What is the purpose of the Favorites menu in the SAP GUI?
ANSWER ✓ To allow users to create a personalized list of frequently used T-Codes for
rapid access.
8. What is an "Easy Access Menu"?
ANSWER ✓ A tree-structured menu within the SAP GUI that organizes all available
transactions by functional area, used when a T-Code is not known.
9. What does the "Workflow" inbox contain?
ANSWER ✓ It contains tasks requiring user action, such as approving requisitions,
confirming goods receipts, or reviewing maintenance orders.
10. What is the standard structure of a GCSS-Army Unit Identification Code (UIC)?
ANSWER ✓ A six-character alphanumeric code (e.g., W911AA) that uniquely identifies a
unit or organization.
Module 2: Master Data
11. What is Master Data in GCSS-Army?
ANSWER ✓ The core, non-transactional data that remains relatively constant and is
shared across the system (e.g., Material, Vendor, Customer, Equipment records).
, 12. What are the three key types of material master records?
ANSWER ✓ 1) Material with Valuation (ROH, HAWA, FERT), 2) Material without Valuation
(NLAG, DUNA), 3) Serialized Material (SERL).
13. What is the difference between ROH, HAWA, and FERT material types?
ANSWER ✓ ROH is Raw Material/Repair Parts, HAWA is Trading Goods (e.g., PX stock),
and FERT is Finished Product (e.g., major end items assembled by depot).
14. What is an Equipment Master Record?
ANSWER ✓ A unique record for a specific, individually managed physical asset (by serial
number), used for maintenance history tracking (e.g., vehicles, generators).
15. What is a Functional Location (FLOC) and its primary purpose?
ANSWER ✓ A hierarchical address that represents the structure of a unit or facility where
maintenance occurs. Its primary purpose is to organize maintenance tasks and history
by location.
16. What is a Customer Master Record?
ANSWER ✓ A record for an internal Army organization (identified by UIC) that receives
goods or services, enabling intra-Army sales orders.
17. What is the key difference between a one-time vendor and a regular vendor
master?
ANSWER ✓ A one-time vendor is used for a single procurement transaction, while a
regular vendor is used for ongoing, repetitive procurement from a specific supplier.
18. What is a Material Document (MIGO) used for?
ANSWER ✓ It is the system-generated document that provides proof of any goods
movement (receipt, issue, transfer, physical inventory).
19. What is a Financial Accounting (FI) Document created in GCSS-Army?
ANSWER ✓ It is the system-generated document that provides proof of any value-based
or accounting transaction, such as invoice verification or goods issue that impacts stock
value.
20. What is the purpose of the "Material Number" field?
ANSWER ✓ It is a unique identifier assigned to every type of material (National Stock
Number equivalent) in the GCSS-Army catalog.
Module 3: Supply and Warehouse Operations
21. What are the two primary types of procurement in GCSS-Army?
ANSWER ✓ External Procurement (from vendors) and Internal Procurement (from
another Army unit or service).
22. What is the primary transaction for creating a requisition?
ANSWER ✓ ZREQ or ME51N (Create Purchase Requisition).
Module 1: Foundations and Navigation
1. What does GCSS-Army stand for?
ANSWER ✓ Global Combat Support System-Army.
2. What is the primary purpose of GCSS-Army?
ANSWER ✓ To serve as the Army's web-based, centralized Enterprise Resource Planning
(ERP) system for logistics, financial, and asset management, enabling a "single source of
truth" for property and supply chain operations.
3. What are the three core business areas of GCSS-Army?
ANSWER ✓ Supply, Maintenance, and Property Management.
4. What is the primary user interface for GCSS-Army?
ANSWER ✓ The SAP Graphical User Interface (GUI), accessed through the Master Data
Portal (MDP) or client installation.
5. What is the role of the Master Data Portal (MDP) in GCSS-Army?
ANSWER ✓ The MDP is the central hub for accessing GCSS-Army transactions, viewing
workflow tasks, and managing user profiles.
6. What is a Transaction Code (T-Code)?
ANSWER ✓ A short alphanumeric code used to quickly navigate to a specific transaction
or application within the SAP system (e.g., ZMME for Edit Material).
7. What is the purpose of the Favorites menu in the SAP GUI?
ANSWER ✓ To allow users to create a personalized list of frequently used T-Codes for
rapid access.
8. What is an "Easy Access Menu"?
ANSWER ✓ A tree-structured menu within the SAP GUI that organizes all available
transactions by functional area, used when a T-Code is not known.
9. What does the "Workflow" inbox contain?
ANSWER ✓ It contains tasks requiring user action, such as approving requisitions,
confirming goods receipts, or reviewing maintenance orders.
10. What is the standard structure of a GCSS-Army Unit Identification Code (UIC)?
ANSWER ✓ A six-character alphanumeric code (e.g., W911AA) that uniquely identifies a
unit or organization.
Module 2: Master Data
11. What is Master Data in GCSS-Army?
ANSWER ✓ The core, non-transactional data that remains relatively constant and is
shared across the system (e.g., Material, Vendor, Customer, Equipment records).
, 12. What are the three key types of material master records?
ANSWER ✓ 1) Material with Valuation (ROH, HAWA, FERT), 2) Material without Valuation
(NLAG, DUNA), 3) Serialized Material (SERL).
13. What is the difference between ROH, HAWA, and FERT material types?
ANSWER ✓ ROH is Raw Material/Repair Parts, HAWA is Trading Goods (e.g., PX stock),
and FERT is Finished Product (e.g., major end items assembled by depot).
14. What is an Equipment Master Record?
ANSWER ✓ A unique record for a specific, individually managed physical asset (by serial
number), used for maintenance history tracking (e.g., vehicles, generators).
15. What is a Functional Location (FLOC) and its primary purpose?
ANSWER ✓ A hierarchical address that represents the structure of a unit or facility where
maintenance occurs. Its primary purpose is to organize maintenance tasks and history
by location.
16. What is a Customer Master Record?
ANSWER ✓ A record for an internal Army organization (identified by UIC) that receives
goods or services, enabling intra-Army sales orders.
17. What is the key difference between a one-time vendor and a regular vendor
master?
ANSWER ✓ A one-time vendor is used for a single procurement transaction, while a
regular vendor is used for ongoing, repetitive procurement from a specific supplier.
18. What is a Material Document (MIGO) used for?
ANSWER ✓ It is the system-generated document that provides proof of any goods
movement (receipt, issue, transfer, physical inventory).
19. What is a Financial Accounting (FI) Document created in GCSS-Army?
ANSWER ✓ It is the system-generated document that provides proof of any value-based
or accounting transaction, such as invoice verification or goods issue that impacts stock
value.
20. What is the purpose of the "Material Number" field?
ANSWER ✓ It is a unique identifier assigned to every type of material (National Stock
Number equivalent) in the GCSS-Army catalog.
Module 3: Supply and Warehouse Operations
21. What are the two primary types of procurement in GCSS-Army?
ANSWER ✓ External Procurement (from vendors) and Internal Procurement (from
another Army unit or service).
22. What is the primary transaction for creating a requisition?
ANSWER ✓ ZREQ or ME51N (Create Purchase Requisition).
