echelon - n。 （船、飛行機などの）組み合わせ、剤形; （指揮、命令などの）層、段階

• People in the higher echelon of the society often fail to understand the problems of a commoner.
• It showed two large bright lights flying across the blue sky in an echelon formation.
• But for all that the magic still bathes its heady glow across the land and our world is echelon, Atlantis Echelon.