For someone who's done a lot of counterterrorism work, I can't extol to you how great having something buried below the ground is for proliferation and security concerns.
对于那些从事反恐行动的人来说， 不用我宣扬， 大家也知道能把东西埋在地下有多好， 出于对核扩散和安全性的考虑。