Introductory technical guidance for architectural engineers and other professional engineers and construction managers interested in antiterrorism design for buildings. Here is what is discussed: 1. INTRODUCTION, 2. VEHICLE BOMB TACTICS, 3. HAND DELIVERED DEVICES, 4. INDIRECT FIRE WEAPONS, 5. DIRECT FIRE WEAPONS, 6. AIRBORNE CONTAMINATION TACTIC, 7. WATERBORNE CONTAMINATION TACTIC, 8. WATERFRONT ATTACK, 9. FORCED ENTRY TACTIC, 10. COVERT ENTRY TACTIC, 11. VISUAL SURVEILLANCE TACTIC, 12. ACOUSTIC EAVESDROPPING, 13. ELECTRONIC EMANATIONS EAVESDROPPING.