SP4

(1) (Service Pack 4) The fourth service pack introduced to upgrade a major release of software. See service pack.

(2) (Surface Pro 4) See Surface tablet.

SP4

A gene on chromosome 7p15.3 that encodes a protein which binds to GT- and GC-box promoter elements and may activate transcription.

SP4

Acronym	Definition
SP4➣Security Protocol Layer 4
SP4➣Specialist, Grade E4 (US Army)

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defense intelligence personnel exchange program
defense intelligence photoreconnaissance on-line exploitation system
defense intelligence plan
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defense intelligence report
defense intelligence requirement manual
defense intelligence service
defense intelligence socio-cultural capabilities council
defense intelligence special career automated system
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defense intelligence threat data system
defense interaction intelligence agency
defense internet notam service
defense in-transit item visibility system
defense intrusion analysis & monitoring desk
defense investigative security clearance office
defense investigative service clearance review office
defense investigative service contract office
defense investigators association
defense investigators training accreditation

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