(covers information from an alternate timeline)
In an alternate 1944, Vosk's squadron was a squadron of Stuka dive-bombers armed with Na'kuhl plasma cannons. According to German intelligence briefings, the squadron performed flawlessly in field tests.
After American forces launched a counterattack, a German Generalmajor delivered Adolf Hitler's orders to Vosk to transfer his squadron to Luftwaffe regional command. Vosk instead directed the planes to attack Enterprise in an attempt to prevent the starship from attacking his facility. (ENT: "Storm Front, Part II")