ECHELON, originally a secret government code name, is a surveillance program (signals intelligence/SIGINT collection and analysis network) operated by
Echelon may refer to: A level formation A level or rank in an organization, profession, or society Echelon formation, a step-like arrangement of units
algebra, a matrix is in echelon form if it has the shape resulting from a Gaussian elimination. A matrix being in row echelon form means that Gaussian
"right echelon"), or behind and to the left ("left echelon"), of the unit ahead. The name of the formation comes from the French word échelon, meaning
Echelon (originally Echelon Place) was a proposed $4.8 billion mixed-use project that was to be built on the Las Vegas Strip in Winchester, Nevada. Boyd