पञ्चदश रथस्य हस्तिनो वा पञ्च चाश्वाः ॥ कZ_१०.५.१० ॥
pañcadaśa rathasya hastino vā pañca cāśvāḥ
Für einen Streitwagen—oder für einen Elefanten—(gibt es) fünfzehn (Männer); und (es gibt) fünf Pferde (zugeteilt/angegliedert).
They are high-value, complex assets requiring drivers/mahouts, fighters, guards, and maintenance/handling staff to keep them effective.
It suggests planned mobility/escort or relay capacity as part of the establishment, not an ad hoc battlefield improvisation.