What does IA stand for?

IA stands for Imagery Analyst

This definition appears somewhat frequently

Other Resources: Acronym Finder has 147 verified definitions for IA

Samples in periodicals archive:

Explore becoming a Geospatial Intelligence Imagery Analyst and learn about supporting combat operations by analyzing aerial imagery for critical intelligence.

Geospatial Intelligence Imagery Analysts play an integral part in providing Army personnel with critical information about enemy forces.

Imagery Analyst (MOS 35G) duty description, required ASVAB score and security clearance, physical requirements, and available enlistment bonus are provided.