Dangerous Assignment - Atomic Fission Formula

Walking into the Commissioner's office, Agent Steve Mitchell says "Good morning, Commissioner. Ruth said you wanted to see me". Commissioner says "I do, Steve. You can start this assignment by painting a nice big bullseye on your chest". Steve says "Oh fine. What's the deal flying to Java to look for a little piece of paper?" Commissioner says "This is no ordinary piece of paper, Steve. It contains a new formula for atomic fission, stolen from this country". Steve says "Right, well what makes you think it's in Java?" Commissioner says "The night before last, the man was killed in Java. The authorities there found half the formula on his body". Steve asks "What do you mean half of it?" Commissioner says "The formula is in two parts, Steve. Whoever stole it didn't realize that and only got half. He probably figured on making a fortune out of it on the open market, but he must realize by now that one half is worthless without the other". Steve says "In that case, he'll probably try and get that other half. Where is it?" Commissioner says "In the custody of a British intelligence agent named Snell, in Surabaya, Java". Steve says "That's the routine you were giving me about painting a bullseye on my chest". Commissioner says "You are to go to Java, openly, Steve. Get the envelope from Snell and then return". Steve says "And in that envelope is the other half of the formula?" Commissioner says "No, we're not taking any chances. In that envelope will be a blank piece of paper, but we want whoever's interested to think it's the formula". Steve says "Oh swell. You don't want to take any chances, huh? Just with my life". Commissioner says "It stands to reason that whoever has the missing half will come after you. I'm not going to minimize the danger, Steve. From the moment you leave Snell's house in Java, you're a marked man. But, this is the quickest way to smoke the opposition out into the open. We've got to get that missing half back. Well, that's it. You've got your assignment, good luck".