"echelon formation" is a correct and usable phrase in written English.
It is typically used to describe a type of military troop formation, consisting of a series of parallel lines, with each line at an angle to the line behind it. For example, "The battalion formed an echelon formation, with the first line at the left angled at 45 degrees to the line behind it."
Several of these, filled with jam or jelly, says the Tribune, should be arranged on a try in echelon formation.
An enemy could be engaged from the front, then hit in the flank by a second Haufe following the first in echelon formation.
Now it has been seen in swimmers.The calves of dolphins swim alongside their mothers in an arrangement known as echelon formation.
Lactose (438.14 µg/L), sucrose (427.83 µg/L) and fructose (407.93 µg/L) were in the second echelon formation and had no significant difference with each other.
Polybius described the weak Carthaginian center as deployed in a crescent, curving out toward the Romans in the middle with the African troops on their flanks in echelon formation.
The fighting was so fierce that the Soviets inched forward their second echelon formations, preparing to throw them into combat as well.
Soviet heavy artillery aimed at Romanian artillery positions and second-echelon formations also caught the retreating Romanian soldiers.
With an echelon (the diagonal formation riders adopt in the road to deal with crosswinds) it is like saving yourself after falling through ice - you have got five seconds to make it, otherwise it is over.
Many studies that describe the formation of echelon vein arrays relate the causative stresses implicitly to the deformation, reliant on simple shear kinematics, such that the vein-to-array angle and the array width are the primary physical quantities.
Our models show that besides the extension direction which induces the formation of linear or independent en-echelon grabens, the intersection of the two oblique VD segments controls the location of the depocentre and concentrates subsidence.
Clegg has made Coppard's job easier, not just by reneging on his pledge not to increase tuition fees but by being in the highest echelons of a government that, shortly after its formation in 2010, cancelled a £80m loan to Sheffield Forgemasters, which the steel company had hoped to use to buy a new forging press for producing nuclear plant components, creating jobs.
