Ukrainian convicted of espionage and sentenced to 15 months, no additional time due to pretrial detention. Two other defendants acquitted. Federal prosecutors accused men of Russian sabotage plot with Mariupol intermediaries testing delivery routes. Packages designed to ignite in Germany/elsewhere to undermine security. Convicted man sent two GPS transmitters to test delivery routes. Court found no concrete sabotage plans, case limited to preparatory stage. Western officials suspected Russian incendiary devices on cargo planes in 2024 causing incidents in Germany/England. Case mirrors known Russian intelligence operational pattern. Operational chain shows sophistication of networks exploiting logistics for security threats. Authorities investigate logistical vulnerabilities linked to Russian intelligence efforts