Discussion Questions: Container security is absolutely critical to the operation of the Maritime Transportation Security (MTS). There are 16,000 containers A DAY brought into this country so you have a good sense of the magnitude of this issue. To understand this issue, consider how you would categorize the vulnerabilities of Port systems to disruption by discussing the significance of the Secure Freight Initiative. In your discussion, be sure to explain the importance of CPB's Customs Trade Partnership Against Terrorism (CT-PAT), and the resultant implications in delays in screening cargo on port operations.