-cont-
Solutions to the terrorists' quest can be found on the Internet, where companies offer mini-planes and helicopters as carriers for cameras, research equipment and crop dustings. Such equipment, for example, is offered by Bergan R/C Helicopter in the U.S. These machines are offered at a price tag ranging from $4,000 to $5,000 and are said to operate at low level – if necessary, even skimming the ground – while carrying a payload of approximately 40 pounds.
Israeli troops from time to time raid Palestinian workshops in the Gaza Strip or the West Bank. On several occasions, they discovered evidence of Palestinians collecting from the Internet information on how to build mini-planes and rockets. Some of these rockets have been code named by Hamas as "Kassem." These are short-range, primitive devices, but their designers learned from the Internet how to create or purchase the propellant for their engines. An example is a website called "System Solaire," with offices in Canada and the U.S., offering various do-it-yourself rocket models such as the SS67B-1 Liquid Fuel Rocket.
Israeli patrols captured a shipment of ready-to-use rockets as well as plans to build another type of weapon aimed at attacking low-flying planes. A technical analyst of Israeli intelligence was quoted by Chief of Army Intelligence Gen. Amos Gil'ad as saying that "although these are primitive products, there is no doubt they can be fired at a civilian plane during takeoff or landing, and even with a chance of a hundred-to-one hit probability, their sheer existence may cause panic in the air-transport industry."
In addition, Hamas and other Palestinian organizations recently introduced primitive anti-tank rockets called "El Bitar" (The Sharp Edge), or "Anjara" (The Wood Chipper), both simple, short-range unguided weapons.
The U.S. intelligence community, aware of such developments worldwide, collected an abundance of information on the threat. Before Sept. 11, the threat was regarded as unrealistic, but it is now considered much more real. The issue is of great importance to the new Homeland Security Department, which already has been advised by the FBI to look into the legal ramifications of building and marketing model mini-airplanes and mini-helicopters for commercial use.
Some of the information on the Net shows that universities and colleges teaching aeronautics, engineering and computer sciences are involved with the development of similar products. A case in point is the Berkeley Aerobot program, designed to develop a mini-helicopter with civilian and military applications. A laboratory, under engineer John Koo, was in the forefront of such experiments financed, among others, by grants from the Defense Advanced Research Projects Agency's Soft Ware-Enabled Control Program. David Paskovitch, reporting in the department's Lab Notes magazine, published by the University of California in Berkeley, described the project as an "Eye in the Sky." He quoted John Koo on the many applications of the Aerobot, both civilian and military.
Scientific and other information about most of these projects is easily transferred through the Net. An Israeli bomb disposal expert described the situation by saying that "the Internet is the supermarket of terrorists." The expert, a member of the Israeli police, pointed to information sites that teach how to blend materials available in a hardware store, such as fertilizers, gasoline and epoxy, to reach the right formula for a rocket-engine propellant. The officer went on to say, "When you think about 40 pounds of plastic explosives carried by a mini-helicopter, remember that the average suicide bomber destroying many lives on a bus or in a store carries on his body much less than this."
Another aspect for the use of mini-aircraft, and even short-range rockets, is the ability to use them as carriers for delivering dangerous chemical and biological agents. Many of these can be easily sprayed by a mini-helicopter designated for crop-dusting. For example, an attempt by the Japanese terrorist group Aum Shinrikyo in the late 1980s to use such a method failed when the machine crashed during tests. However, this possibility still remains very attractive to terrorists, especially when they know such an aircraft can be purchased for a very low price or built from scratch with simple instructions.
British intelligence analysts, until recently concerned mainly with the threat of the Irish Republican Army, now take chemical and biological threats by Muslim terrorists much more seriously. A Scotland Yard official commenting on the recent arrest of a North African bio-terrorist group in London was quoted as saying, "If we once thought that this was a far-fetched terror dream, we now realize that it could become a real nightmare."
Scotland Yard, which in the 1980s and the 1990s dealt with improvised IRA mortars known as "barracks busters," recalls that they were operated from the back of parked trucks. The targets for those operations were the Gatwick and Heathrow airports. Another British analyst warned, in a paper distributed to the intelligence community, that mini-helicopters can be launched from a backyard, a balcony, a roof top, a truck and even vessels. "They can hover over a site for at least 30 minutes and sprinkle death and mayhem," he said.
In most cases, the assumption is that commercially oriented radio-controlled crafts, or terrorist knockoffs, can stay in the air for about 30 minute and that the operator needs to have constant eye contact with the craft. This is going to change. Hobby clubs and other amateurs are already developing radio-controlled mini-aircraft carrying real-time video cameras and transmitters, which allow the operation of more than one vehicle. The first radio-controlled aircraft would be carrying the cargo, and when it moves beyond the sight range of the controller, the second aircraft takes over and transmits the necessary information.
One of the major problems for homeland-security planners is how to control this ever-growing market. An Australian intelligence official suggests such an effort will "have teeth" only if and when it will become an internationally coordinated effort. He also commented on the fact that radio-controlled amateur clubs are now emerging in such Muslim countries as Malaysia, Indonesia, Pakistan and Iran.
A provision deep within the regulations of the new Homeland Security Act is threatening to shut down the popular hobby of model rocketry because the propellant used to make the rocket's solid-fueled motors is now classified as explosive material.