| Aspect | Sky Marshal | Security Officer |
|---|
| Required Credentials | FAA certification, security training, background check | Security guard license, background check |
| Work Environment | Onboard aircraft, high-security protocols | Buildings, premises, static locations |
| Employer & Industry | Airlines, aviation industry | Private security firms, various industries |
| Common Search/Comparison | Yes | Yes |
Sky Marshals and Security Officers both focus on security, but Sky Marshals are specially trained to protect passengers and crew onboard aircraft, often requiring FAA certification. Security Officers typically work on the ground in various settings, with different licensing requirements. The key difference lies in the environment and specific training, with Sky Marshals operating in the aviation industry to ensure flight safety.