अशक्तो वा सैन्येष्वायोजयेत् अन्तरेषु वा निचिनुयात् ॥ कZ_१०.२.०३ ॥
aśakto vā sainyeṣu āyojayet antareṣu vā nicinuyāt
He should either assign the less capable to the troop-formations (in controlled roles), or else place them in the intervals/gaps (as fillers), as appropriate.
It preserves combat effectiveness by aligning capability with task criticality while maintaining formation completeness and reducing weak-point exploitation.