Orlik and his driver, Bronisław Zakrzewski, near their
TKS tankette In August 1939 he was mobilized and took part in the
September Campaign in the 71st Polish Armored Squadron as a Podchorąży (officer cadet). On 18 September 1939, Orlik took part in the skirmish of Pociecha in the
Kampinos Forest, in which three
TKS tankettes destroyed two
Panzer 35(t) and one
Panzer IV German tanks, from the 1. Leichte Division. armed with a Nkm wz.38 FK 20mm autocannon, the same type commanded by Orlik As a result of the battle the commander of the German platoon and heir to the
Duchy of Racibórz, 23-year-old Silesian prince and lieutenant Viktor IV Albrecht Johannes von Ratibor, was killed. Moreover, a history of Polish armoured weapons written in 1971 in London does not mention Orlik, listing three other tankette commanders in the skirmish at Pociecha out of six Polish tankers (names: Tritt, Pachocki and Łopatka). The next day Orlik and his unit participated in the battle of
Sieraków. During the night, the Germans were repelled by the Polish 9th Uhlan Regiment and 7th Mounted Rifles. However, the Germans counter-attacked with several dozen tanks from the Panzer-Regiment 11 and Panzer-Abteilung 65. During the battle, Orlik claimed to have destroyed seven tanks with his TKS and took two German tank crewmen prisoners with his service pistol. The Polish forces managed to destroy 20 tanks with artillery support. After the battle, he and his unit retreated east and took part in the
Siege of Warsaw. During the
Occupation of Poland (1939–45) Orlik was a member of the
Home Army. ==Post-war architectural career==