Hájek's secondary school education had been disrupted by the war but this was not the end of the disruption to his career for after receiving his Diplom he had to spend two years doing military service.
Hájek's sekundaryong paaralan ng edukasyon had been disrupted ng digmaan ngunit ito ay hindi ang dulo ng pagputol sa kanyang karera para matapos na makatanggap ng kanyang Diplom niya sa mga gastusin ng dalawang taon paggawa ng militar.