Issue Highlights:

• Editor’s Notebook
• Security Intel
• Counter-Drone Challenges
• Coastal Surveillance
• Container Security
• Human Trafficking
• The Watch
• Column: David Bruce explores how the threat of liquid explo- sives changed aviation.
• Column: Overflight Risk - A Call to Action by Osprey CEO Andrew Nicholson.
• Column: Is Blockchain the answer to better avsec? Mike Maxwell, SVP at OARO thinks so.