156 remotely intercepting even the faintest traces of electromagnetic signals, hacking into computers, and eavesdropping on distant conversations, but using special units, called “tailored access operations,” to plant listening devices in embassies and diplomatic pouches. It also organized elaborate expeditions to penetrate cables in enemy territory. In 1971, for example, the NSA had sent a specially-equipped submarine into Russia’s Sea of Okhotsk in Asia to tap through Arctic ice. The target was a Russian cable 400 feet below the surface that connected the Russian naval headquarters in Vladivostok with a missile testing range. In 1980, President Ronald Reagan, gave the NSA a clear mandate to expand its interception of foreign communications. In Executive Order 12333, he told the NSA to use “all means, consistent with applicable Federal law and (this Executive) order, and with full consideration of the rights of United States persons, shall be used to obtain reliable intelligence information to protect the United States and its interests.” It did restrict any foreign country, either an adversary or an ally, from its surveillance. The NSA’s target soon became nothing short of the entire electromagnetic spectrum. “We are approaching a time when we will be able to survey almost any point on the earth’s surface with some sensor,” Admiral Stansfield Turner, the former Director of Central Intelligence wrote in 1985. “We should soon be able to keep track of most of the activities on the surface of the earth.” Bobby Ray Inman, a former director of the NSA and deputy director of the CIA, argued that the “vastness of the [American] intelligence ‘take’ from the Soviet Union, and the pattern of continuity going back years, even decades,” greatly diminished the possibility of Soviet deception so long as the NSA kept secret its sources. The NSA did not rely entirely on its own sensors for this global surveillance. It also formed intelligence-sharing alliances with key allies