Kammala wannan jumla: Shi ɗan Augustyn Träger ne, wanda kuma ya kasance mai aiki a leken asiri a kan Jamusawa. Babban nasarar Roman shine tattara rahotanni game da masana'antar Jamus da kuma gwajin makamai masu linzami na V-1 da V-2 a tsibirin Usedom. Bayan an ba da waɗannan rahotannin ga Polish Armia Krajowa (Sojojin Gida), wanda a biyun ya ba da su ga leken asirin Biritaniya a London, Allies sun yi wa Peenemünde bam a cikin
Operation Hydra a 1943, kashe masana kimiyyar roka biyu na V-2 da jinkirta gwajin gwajin V-2 na makonni bakwai.