e/Inverted wedge

Information
has gloss	eng: The inverted wedge is a military formation resembling a "V" or inverted triangle, and is sometimes known as a "V-formation". In the inverted wedge, two units advance abreast of each other, and a third unit follows behind and between the two, in reserve. It is roughly the reverse of the flying wedge formation.
lexicalization	eng: inverted wedge
instance of	c/Tactical formations