Department of Defense
INSTRUCTION
NUMBER 4151.20
January 5, 2007
USD(AT&L)
SUBJECT: Depot Maintenance Core Capabilities Determination Process
References: (a) DoD Directive 4151.18, “Maintenance of Military Material,” March 31, 2004
(b) Section 2464 of title 10, United States Code
(c) Joint Publication 1-02, “Department of Defense Dictionary of Military and
Associated Terms,” as amended
(d) DoD 4151.18-H, “Depot Maintenance Capacity and Utilization Measurement
Handbook,” January 1997
(e) DoD 8910.1-M, “Department of Defense Procedures for Management of
Information Requirements,” June 1998
1. PURPOSE
This Instruction implements policy, assigns responsibilities, and prescribes procedures under
References (a) and (b) to identify required core capabilities for depot maintenance and the
associated workloads needed to sustain those capabilities.
2. APPLICABILITY
This Instruction applies to the Office of the Secretary of Defense (OSD), the Military
Departments, and those Defense Agencies that perform depot maintenance. The Military
Departments and covered Defense Agencies are hereafter referred to collectively as the “DoD
Components.”
3. DEFINITIONS
Terms used in this Instruction are defined in Enclosure 1 and Reference (c).
4. POLICY
Pursuant to Reference (a), it is DoD policy that:
