Relevant abbreviations and other government geek terminology etc. when reading about US Gov surveillance programs. Most of these should be familiar to most of us, but sometimes something trips us up. ACLU = American Civil Liberties Union DHS = US Department of Homeland Security DNI = US Director of National Intelligence DoJ = US Department of Justice FAA = FISA Amendments Act FBI = Federal Bureau of Investigation FISA = Foreign Intelligence Surveillance Act FISC = Foreign Intelligence Surveillance Court GOV = short government Hops defined by example: * Let's suppose BILL in the USA becomes a person of interest, because BILL received an e-mail from AL-BULLY in Russia, inquiring how to ship some weapons into the USA, and AL-BULLY has come to the attention of US intelligence, thanks to AL-BULLY shipping weapons to some AL-QAEDA affiliate in the Middle East. This e-mail from AL-BULLY to BILL is discovered thanks to the 702 surveillance program. * So NSA looks up BILL's phone # in the 215 meta data base, to find out ALL the people who have called BILL or been called by BILL in the past 5-7 years. On average, this might be 40 people, unless BILL happens to have a job as a Pizza delivery guy. Those 40 some people are hop # 1. * One of those 40 people might be TOM. NSA does with TOM's phone # the same thing they just did with BILL, and also with each of the other 40 some people. This next layer is hop # 2. * One of the people who talked with TOM, might be HARRY. NSA does with HARRY, the same thing they just did with BILL, and all the people BILL had talked with. This next layer is hop # 3. * According to public testimony to Congress, NSA does no more than 3 hops, and they have some process for figuring out which of those people really are an innocent Pizza delivery guy, and which people are suspicious. That process has not been shared with the general public. IC = Intelligence Community ODNI = Office of the Director of National Intelligence NSA = National Security Agency 215 = a section of the Patriot Act, which the FBI, NSA, and other government agencies can use, to get secret court orders, from FISC, demanding data, such as phone logs. 702 = a section of the FISA Amendments Act (FAA), which NSA and other government agencies can use, to get secret court orders demanding data, such as what goes through the Internet. Al Mac = Alister William Macintyre _____ _____ _____  Not to be confused with FAA = Federal Aviation Administration, which regulates (or tries to regulate) drones over most of NAS = US National Air Space.  There has been conflicting testimony regarding how long this data is stored.