Optimal Interleaving for Generalized Concatenated Codes Generalized Concatenation (GC) of Reed-Solomon (RS) Codes is a powerful technique to enhance the error-correcting capability of RS codes without resorting to large finite fields. However, interleaving a GC scheme in the normal way significantly reduces the burst-correcting capability of such scheme. In this paper, we present techniques that optimize the burst-correcting capability of some GC schemes.