Scientists also believe that birds have some very different traits from their relatives, such as feathers instead of scales (though most birds have reptile-like scales on their legs and feet), pointed beaks, and wings. People who study birds are called ornithologists.cientists also believe that birds have some very different traits from their relatives, such as feathers instead of scales (though most birds have reptile-like scales on their legs and feet), pointed beaks, and wings. People who study birds are called ornithologists.
4 / 6 Show Caption + Hide Caption â Under Secretary of the Army Joseph W. Westphal talks with senior leaders at the Joint Readiness Training Center, or JRTC, about how to most effectively train Soldiers for the future, Oct. 18, 2012, at Fort Polk, La.
Joint Interoperability Test Command. The Joint Interoperability Test Command (JITC) is DoD's Joint Interoperability Certifier and only non-Service Operational Test Agency for Information Technology (IT)/National Security Systems (NSS).