>> today's satellites can detect the use of specific chemical or radioactive weapons. critical capabilities when it comes to monitoring global hot spots, such as syria and iran. >> whether it's fallen signals or tracing weapons, whether we're making sure that the treaties that the u.s. has signed are actually being enforced, we contribute to all of those missions. >> i imagine the iranian nuclear agreement falls into that category. >> we contribute to that missionary. >> to see where the data from the agency is collected, we came here. a place you've probably never heard of. a place you've certainly never seen. until now. >> we're approaching the mission ground station at white sands, new mexico. the very existence of this