Dee ihe ọzọ maka paragraf a - Visser gara ụlọ akwụkwọ ndị isi tupu e ziga ya Eshia. Na 1945, ọ sonyeere Dutch Troop nke 2 na India wee gaa ụlọ akwụkwọ parachute. Na Ceylon, ya na Raymond Westerling nwetara ọzụzụ n'ọhịa iji sonyere ndị agha ndị ọzọ jikọrọ aka n'Eshia ịlụ ọgụ ndị agha Japan na Dutch East Indies. Otú ọ dị, e nyefere Japan.
tupu e ziga Visser na Dutch East Indies. E kenyere Visser ka ọ bụrụ onye nkuzi na ụlọ akwụkwọ ndị agha pụrụ iche nke Dutch na India a maara dị ka "School Opleiding Parachutisten / SOP" (Ụlọ Akwụkwọ Parachute). E mechara kpọga ụlọ akwụkwọ ahụ na Jakata n'afọ 1946, mechaakwa kpọga ya na Hollandia. N'oge a, ọ na-eduzi ọrụ na DST dịka mkpọsa South Sulawesi nke 1946-1947.