It is a sister service to the television channel Sky Sports News.

Another part of the modern trend, developing technology that's not uniquely service-bred, that can be exported and used by your sister services.

Granard had retired from the army more than twenty years before he left the sister service.

It is a sister service of the Nickelodeon cable channel.

The new program was created to model the Air Force around its sister services.

CBeebies is its sister service for younger children.

Like other special forces around the world, close coordination with their sister services provides the needed transportation around the battlefield.

As a result, their expertise is often called upon in an advisory role by the Air Force's sister services or other allied military forces.

They had heard the monster stories about their little sister service and this was a very strange place.

This helps in the mutual interchange of Officers among these two sister services.