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SOM System Object Model.
SONET Synchronous Optical Network.
SOO Statement of Objectives (See also SOW).
SOP See Standard Operating Procedure.
SORTIELOT Sortie Allotment message (JFACC term).
SORTS Status of Resources and Training System.
SOS Silicon-on-Sapphire.
SOSUS Sound Surveillance System (USN term).
Source Selection
Authority
The official designated to direct the source selection process, approve the
selection plan, select the source(s), and announce contract award.
Source Selection
Evaluation Board
A group of military and/or government civilian personnel, representing functional
and technical disciplines. It is charged with evaluating proposals and developing
summary facts and findings during source selection.
Source Selection
Plan (SSP)
A formal written document, which sets forth the source selection organization
and management chain for a specific acquisition. It provides a guide for
evaluators on how to conduct the evaluation, it details the criteria to be used to
evaluate the offers received in a competition procurement, and it establishes a
basis upon which to distinguish between proposals and to make an award. The
SSP is written by the Program Office and approved by the SSA.
SOW Statement of Work.
SP (1) Security Personnel. (2) Self –propelled. (3) Signal Processing.
SP-100 Space Power-100 kW.
SP/CR Software Problem/Change Request.
SPACC Space Command Center.
Space and
Missile Tracking
System (SMTS)
Space-based satellite sensors for surveillance, tracking, and discrimination of
enemy objects during post-boost and midcourse phases. These sensors support
ground-based interceptors for both theater and national defense.
Space-Based
Architecture
Study (SBAS)
A 1989 study to review the space-based elements of the Phase I SDS
architecture, with emphasis on Space-Based Interceptor (SBI), Brilliant Pebbles
(BP), and the Space Surveillance and Tracking System (SSTS), to define and
justify a recommended architecture for Phase I and beyond.
MDA GLOSSARY, VER. 4.0 S
271
Space Based
Infrared System
(SBIRS)
SBIRS will be a consolidated system that will meet United States infrared space
surveillance needs through the next 2-3 decades. SBIRS is intended to be an
integrated “system of systems” including multiple space constellations and an
evolving ground element. The baseline SBIRS architecture consists of four
Geosynchronous Earth Orbit (GEO) satellites; two sensors on Highly Elliptical
Orbit (HEO) satellites; Low Earth Orbit (LEO) satellites; a ground system
consisting of a CONUS-based Mission Control Station (MCS), a backup MCS, a
survivable MCS, and oversees relay ground stations and re-locatable terminals;
and associated communications links. The SBIRS is designed to meet the
missile defense, missile warning technical intelligence, and battle space
characterization mission requirements identified in the JROC-validated SBIRS
Operational Requirements Document. The SBIRS program will begin replacing
the operational Defense Support Program (DSP) ground segment in 1999 and
begin replacing the DSP satellites in 2002.
Space-Based
Interceptor (SBI)
OBSOLETE. A distributed set of low earth orbit satellites that may provide
launch detection and booster tracking, and that serve as kinetic or kinetic energy
interceptors of boosters, PBVs, and/or RVs. (USSPACECOM)
Space-Based
Sensor
A system that provides global above-the-horizon surveillance to detect and track
PBVs, object clusters (RVs and penaids), and resolved midcourse objects, as
well as below-the-horizon tasked hot spot detection of boost phase missiles
when cued by a space-based weapon or a priori knowledge. It provides
surveillance data for use in situation assessment, operational intelligence
collection, and for cueing other sensor and weapon elements. During
midcourse, sensors discriminate and track RVs and associated objects to support
midcourse engagements. (USSPACECOM)
Space-Based
Surveillance and
Tracking System
(SSTS)
OBSOLETE. A satellite-borne electro-optic tracking and surveillance system in
medium earth orbit. The satellites would track targets from medium earth orbits
against a cold space background and near the earth limb. Individual objects’
state vectors would be generated from correlated information from two or more
sensors. (Predecessor to Brilliant Eyes (BE).
Space Command
Center (SPACC)
A USSPACECOM center located on Peterson AFB, CO, in Building 147(1). It is
the primary command facility for USSPACECOM providing USCINCSPACE with
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