According to Chertok, GULAG workforce wasn't used at least when Baykonur, a significant project, was being built. It was direct involvement of Army corps used t

According to Chertok, GULAG workforce wasn't used at least when Baykonur, a significant project, was being built. It was direct involvement of Army corps used there. Imprisoned labor force was used in WWII time Soviet aviation and rocketry development (Tupolev, Glushko, Korolyov). Other large projects were possibly too technical, challenging to employ forced labor?..