 Both in 1991 and years later, Špegelj criticised Tuđman's decision to disregard his advice to attack the JNA barracks earlier than September—specifically during the Ten-Day War in Slovenia in June–July 1991.Špegelj said that an earlier move, preempting deterioration of the strategic situation in Croatia, would best serve Croatian defensive needs.Furthermore, he said that the JNA would be unable to respond in force because it would need two months to mobilise the required forces and that all prerequisites for a decisive victory against the JNA were met.