Military science, strategy, tactics, equipment, leadership and command principles, training, organization principles.
Intelligence methods and procedures, collection, analysis and dissemination.
Diplomacy, arms control, negotiations.
Business, economics, business practices, policies, management.
Information resources management.
Architecture, mechanical engineering, HVAC.
Retired US Army intelligence professional. Translated complex technical documents. Served as interpreter for general officers and US diplomatic personnel.
Published books and articles in English and Hungarian.