Venezuela's Air Defense Systems Under Attack
U.S. forces targeted S-300, Buk-M2E, and Pechora-2M air defense systems.
Maintenance issues left many S-300 and Buk systems nonfunctional for years.
Venezuela struggled with Russian specialists and spare parts.
Destroyed Buk-M2E vehicles found near Carmen de Uria and Caracas.
Hits confirmed at Higuerote Air Base by multiple sources.