तस्मिन्धन्विनं स्थापयेत्त्रिधनुष्यश्वम् पञ्चधनुषि रथं हस्तिनं वा ॥ कZ_१०.५.०७ ॥
tasmin dhanvinaṃ sthāpayet tridhanuṣy aśvam pañcadhanuṣi rathaṃ hastinaṃ vā
In that (array/interval), one should place an archer; at a distance of three bow-lengths, a horse; at five bow-lengths, a chariot or an elephant.
To enforce a measurable, repeatable spacing standard so mixed arms can maneuver without crowding and maintain effective engagement ranges.
Heavier platforms require greater frontage and turning space; larger spacing reduces collision risk and preserves formation integrity.