In an effort to reinforce its identity as the youngest military branch, the U.S. Space Force is adopting an official naming scheme for its mission areas, including drawing from the Norse pantheon for orbital warfare systems.

Chief of Space Operations General Chance Saltzman announced the thematic categories during the Spacepower conference held this week in Orlando, Florida, SpaceNews reported . Operational units within the Space Force spent around a year developing the seven categories as “terms of reference we will use to cement the identities of space weapon systems,” Saltzman is quoted as saying.

The categories are:

Orbital warfare: Norse pantheon

Cyber warfare: Mythological creatures

Satellite communications: Constellations

Space domain awareness: Ghosts

Electromagnetic warfa

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