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greater than that of the binding energy of an electron in an atom, transfers all its
energy to the electron which is consequently removed from the atom. Since it
has lost all its energy, the photon ceases to exist. (See Photon.)
Photon A unit or "particle" of electromagnetic radiation, carrying a quantum of energy,
which is characteristic of the particular radiation.
PHS&T Packaging, Handling, Storage, and Transportation.
Physical Agents Descriptive term that includes non-ionizing EMR, static electric and magnetic
fields, ionization radiation, energy beams, noise, explosions, de-orbiting debris,
and extreme cold.
Physical
Configuration
Audit (PCA)
Physical examination to verify that the configuration item(s) “as built” conforms to
the technical documentation that defines the item. Approval by the government
program office of the CI product specification and satisfactory completion of this
audit established the product baseline. May be conducted on first full production
or first LRIP team.
PI Program Integrator.
PIA Personnel Identification/Authorization System (USA term).
PIC (1) PLRS Interface Controller (US Army term).
(2) Policy Integration Committee.
(3) Program Information Center (Computer programmer term).
Picture Element
(PIXEL)
The smallest element of a display space that can be independently assigned
color and intensity; the finest detail that can be effectively reproduced on a
recording medium.
PIDS Prime Item Development Specification.
Pilot Production Production line normally established during EMD to test new manufacturing
methods and procedures. Normally funded by RDT&E until the line is proven.
Not the same as long range initial production.
PIM Position of Intended Movement (USN term).
PIMS Programmable Implantable Medication System.
PIP (1) Predicted Impact Point. (2) Predicted Intercept Point.
(3) Product Improvement Proposal/Program.
PIPT Program Integrated Product (Process) Team.
PIR Program Information Report.
PIXEL Picture Element.
Pk Probability of Kill.
PKCS Public Key Cryptography Standard.
PKH Probability of Kill, given a hit.
MDA GLOSSARY, VER. 4.0 P
225
PKO Peacekeeping Operations.
Pkss Probability of kill -- single shot.
PL (1) Probability of Leakage. (2) Phillips Laboratory, Kirtland AFB, NM. (3) Public
Law.
PLA (1) People’s Liberation Army (China’s army). (2) Patent License Agreement.
PLAN People’s Liberation Army/Navy (China’s military).
Planning,
Programming,
Budgeting
System (PPBS)
The primary resource allocation process of DoD. One of three major decisionmaking
support systems for defense acquisition. It is a formal, systematic
structure for making decisions on policy, strategy, and the development of forces
and capabilities to accomplish anticipated missions. PPBS is a cyclic process
containing three distinct, but interrelated phases: planning, which produces the
Program Objectives Memorandum (POM) for the Military Departments and
Defense Agencies; and budgeting, which produces the DoD portion of the
President’ s Budget. DoD PPBS is a biennial process starting in January of each
odd numbered year with national security guidance to initiate the planning
phase, and ending in January of the next odd numbered year with the
President’s budget submission to Congress. (Defense Systems Management
College)
PLCCE Program Manager’s Life Cycle Cost Estimate.
PLISN Provisioning List Item Sequence Number (ILS term).
PLRS Position Location Reporting System.
Plume Data
Center
AEDC, Arnold AFB, TN.
PLV Payload Launch Vehicle.
PM See Program Manager.
PMA (1) See Program Management Agreement.
(2) Post-Mission Analysis.
(3) Pressurized Mating Adapter (NASA term related to the space station).
PMASIT PMA Software Input Tool MDA/DPI S/W tool).
PMC PCI Mezzanine Card (computer H/W term).
PMD (1) Program Management Document. (2) Program Management Directive (AF).
PMEL Precision Measurement Equipment Laboratory.
PMI Preventive Maintenance Inspection.
PMIT PATRIOT Missile Integration Team (PAC-3 Program term).
PMJEG Performance Measurement Joint Evaluation Group.
PMO Program Management Office.
MDA GLOSSARY, VER. 4.0 P
226
PMP (1) Parts, Materiel and Processes (US Army term) (See also MPP).
(2) Program Master Plan.
(3) Prime Mission Product.
(4) Program Management Plan.
PMR (1) Program Management Review.
(2) Pacific Missile Range.
(3) Program Manager’s Review (PAC-3 term).
PMRF/KTF Pacific Missile Range Facility/Kauai Test Facility, Barking Sands, Kauai, HI.
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