than 150 guns and 60,000 rounds of ammunition. including two M60 machine guns, 15 M16 rifles, a number of M14 rifles, and an AK-47 sent from the US. 1981, the FBI set up a sting capturing some of the Harrison arms trafficking network that was believed to be smuggling most of the arms for the IRA. The group had ordered 350 MAC-10 submachine guns and 12 AK-47 rifles. In 1982 US customs discover a truck at the docks of Newark, New Jersey. Four members of an IRA cell are arrested. The shipment contained 50 firearms and frequency switches for detonating bombs, to counter British Army jamming of most IRA signals for detonating bombs. Later that year five men are arrested for entering the US from Canada, suspected of a plot to acquire ammunition for the IRA, with a "shopping list" for 200 cases of ammunition discovered by police. In 1983 the FBI foils an IRA attempt to buy explosives. In 1984 An IRA arms shipment is seized on the fishing boat Marita Ann by the Irish Navy. Men jailed in the US and Ireland. Seven tons of arms, ammunition and explosives procured by the Irish Mob in Boston, US. In 1985 The FBI foils another IRA bid to buy small arms in Colorado. An Irishman is deported. In 1986, 40 firearms, including: 13 FN FAL rifles, an AK-47, two hand grenades, drums of nitrobenzene, 70,000 rounds of ammunition are seized in the Netherlands by Dutch police. IRA members Gerry Kelly and Brendan McFarlane were arrested. Irish police seize ten AG-3 rifles in 1986, part of a batch of 100 stolen from a Norwegian Reserve base near Oslo by a criminal gang and sold to the IRA. The IRA attempt to buy Redeye SAMs, M60 machine guns, M16 rifles, MP5 submachine guns and 11 bullet-proof vests, but are caught in an FBI sting operation. Between 1985–87 four shipments of arms and explosives successfully landed in Ireland by boat skipper Adrian Hopkins, totalling around 150 tons. The fifth, on Eksund, is intercepted by French Customs. Libya had sent a total of 300 tons of weaponry including 150 tons of Romanian AKMs, SA-7s, Semtex-H, RPG-7 rocket launchers, Taurus pistols, and other materiel. In 1988 a total 380 gallons of nitrobenzene from the Netherlands are seized by Gardaí in a truck. In 1988 US Customs foil bid to buy rifles from a gun dealer