Within the Klingon military, QuchHa' generally served in units with others of their kind, though it was not unheard of for units to be a mix of both types of Klingon. (VAN novel: Summon the Thunder) The QuchHa' were looked down upon by their HemQuch counterparts, and were considered to be less honorable. (ST novella: The Unhappy Ones) Many Klingon warriors had their appearances surgically altered to appear in the more traditional form. (TOS novel: Excelsior: Forged in Fire)