bureau 121 in a sentence

1. He claims to still have contacts with hackers from North Korea's General Bureau of Reconnaissance, and within its subdivision Bureau 121.
2. As of 2014, the secretive Bureau 121-the elite North Korean cyber warfare unit-comprises approximately 1, 800 highly trained hackers.
3. I propose changing the following-> " According to the American authorities, the RGB manages clandestine operations and . . . " / " Prior to the attack at Sony, North Korea was said to have attacked . . . " / " The attacks on South Korea were allegedly conducted " / " with cells from Bureau 121 believed to be operating around the world . " I also propose removing reference 12 . ~ ?Ol?! "'12 : 40, 20 January 2015 ( UTC)
4. It's difficult to find bureau 121 in a sentence.