Commando: Traitor From The Sky (Commando #5995)

High over Austria, four men swung silently on their parachutes, tense and nervous. Already the operation was going wrong – their Dakota, hit by enemy fighters, was plunging in flames to the ground. They had only gotten out by the skin of their teeth, and now they were miles from their objective. Yes, they had problems. And they had one other big problem too. Although three of them didn’t know it, the fourth man was an enemy agent.