Water is not a mode of transportation, but rather a medium through which transportation can take place.

Transportation security aims to protect against terrorism and other malicious acts that could endanger passengers, crew, or infrastructure.

Facial recognition is not a common security measure implemented in airports, although it is being explored as a potential technology for enhancing security.

Technology plays a multifaceted role in enhancing transportation security by automating security checks, improving surveillance and monitoring, and facilitating data sharing and analysis.

Airports are not considered transportation infrastructure, but rather facilities that support air transportation.

Transportation refers to the movement of people and goods from one place to another.

Rail transportation is generally considered the most energy-efficient mode of transportation.

Transportation security refers to the process of ensuring the safety and security of transportation systems.

Natural disasters are not considered transportation security threats, although they can disrupt transportation systems.

Distribution refers to the movement of goods from one place to another.

Air transportation is generally considered the fastest mode of transportation.

Transportation planning refers to the process of planning and managing transportation systems.

Vehicle inspections are not considered transportation security measures, although they can be used to prevent crime and other illegal activities.

Transportation engineering refers to the process of designing and constructing transportation infrastructure.

Rail transportation is generally considered the most environmentally friendly mode of transportation.