 Morávek was (together with Josef Mašín and Josef Balabán) a member of a group whose main tasks were keeping the contacts with Paul Thümmel (considered to be most important Czechoslovak agent among Nazi apparatus, his codename was A-54), maintaining radio connections with London-based Czechoslovak Government-in-exile and sabotages.The trio was later nicknamed "Three Kings" (in Czech "Tři králové").Morávek was known for his foolhardy nature and daring actions.