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Articles 4531 - 4560 of 4915

Full-Text Articles in Social and Behavioral Sciences

The Compact 230 Minecat, J. Barry Middlesmass Lockwood Beck Ltd., Margaret S. Busé Jun 1999

The Compact 230 Minecat, J. Barry Middlesmass Lockwood Beck Ltd., Margaret S. Busé

The Journal of Conventional Weapons Destruction

J. Barry Middlemass, Managing Director of Lockwood Beck Limited, has considerable experience in the field of mechanical mine clearance and mine clearance equipment. Before embarking on a career in mine clearance, He served in the military, including reserves, for a total of twenty-nine years, specializing in mines, explosives and improvised explosive devices. When he resigned his commission, he devoted himself fulltime to mechanical demining. As a director of Aardvark for ten years, he had a key role and made a significant contribution to the company's success. Currently, JBM runs his own consulting company, Lockwood Beck, advising a variety of clients …

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The Swedish Mine Fighter, An Interview With Mattias Willersjo, Catherine Harrigan, Mattias Willersjo Jun 1999

The Swedish Mine Fighter, An Interview With Mattias Willersjo, Catherine Harrigan, Mattias Willersjo

The Journal of Conventional Weapons Destruction

While mechanical mine clearance machines are regarded as an important part of the mine clearance effort, most experts agree that there is no one machine capable of clearing land mines and other unexploded ordnance (UXO) to the 99.6% clearance standard recommended by the United Nations. Acknowledging this problem, but still recognizing the potential benefits of mechanical mine clearance machines, many field experts advocate a "toolbox" approach to mine clearance, using various mechanical mine clearance machines in tandem with manual mine clearance to achieve the 99.6% clearance standard.

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Humanitarian Demining And Robotics, Y. Baudoin, M. Acheroy, M. Piette, J.P. Salmon Jun 1999

Humanitarian Demining And Robotics, Y. Baudoin, M. Acheroy, M. Piette, J.P. Salmon

The Journal of Conventional Weapons Destruction

Mines were used for the first time during the American Civil War in the United States (1861-1865). Anti-tank mines were later ameliorated and laid on the battlefields of the First World War. Mine clearing operations did not pose major problems with those visible and easy-to-detect anti-tank mines. The reason why Anti-personnel mines have been conceived and systematically used on the anti-tank minefields during the Second World War was because such mines prevented the enemy from easy demining of the defense system.

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Report On The Hidden Explosives Workshop, Rovereto June 1999, S.H. Salter Jun 1999

Report On The Hidden Explosives Workshop, Rovereto June 1999, S.H. Salter

The Journal of Conventional Weapons Destruction

This article gives some personal recollections of the highlights of the Rovereto workshop written in a form intended to be useful to working deminers. The workshop was organised by Mirco Elena of Istituto Trentino di Cultura. Funding and subsidies were from the United States Department of Energy and the Italian CARITRO foundation.

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The Case For The Flail: Mechanical Landmine Clearance For The Humanitarian Application A Manufacturer's View, William E. Green Jun 1999

The Case For The Flail: Mechanical Landmine Clearance For The Humanitarian Application A Manufacturer's View, William E. Green

The Journal of Conventional Weapons Destruction

The basic requirement for a Mechanical Landmine Clearance System is to assist the overall humanitarian program to achieve effective and affordable landmine clearance while minimizing the risk to those involved. It is well understood that complete landmine clearing must involve a variety of tools. Experience has shown that the flail system, used together with other classical techniques, represents the most effective approach that present technology allows.

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Map-Driven Platforms For Moving Sensors In Mine Fields, S.H. Salter, C.N.G. Gibson Jun 1999

Map-Driven Platforms For Moving Sensors In Mine Fields, S.H. Salter, C.N.G. Gibson

The Journal of Conventional Weapons Destruction

This paper discusses two unconventional and complementary systems for sensor movement. The first platform is the Dervish, originally designed to bypass the problem of mine detection by deliberately rolling over them with mine-resistant wheels. The second uses carbon-fibre cables to set the position of a payload supported by a balloon. Some desirable features of a sensor platform might be as follows.

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Mechanically Assisted Landmine Clearance And Detection, Theodore R. Gendron Jun 1999

Mechanically Assisted Landmine Clearance And Detection, Theodore R. Gendron

The Journal of Conventional Weapons Destruction

In response to worldwide requirements for Humanitarian Demining, Schiebel Technology, Inc., an independent U.S. based corporation, has focused on the research, development, and production of the CAMCOPTER Unmanned Aerial Vehicle System particularly germane to mechanically assisted landmine detection and clearance.

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From The Editor's Desk, Margaret S. Busé Jun 1999

From The Editor's Desk, Margaret S. Busé

The Journal of Conventional Weapons Destruction

Signing on as Editor of the Journal of Mine Action has been an interesting experience. Getting an online and print publication up and running, from start to finish, has been intense. Conversations with individuals from all areas of the land mine community have been enlightening, engaging and thought provoking. Many of the contractors I had an opportunity to talk with expressed sincere dedication to landmine removal. They also expressed concern. Many spoke of the differences between policy and reality, between feasibility and research and the daunting task of a 99.6% clearance rate as dictated by the United Nations.

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Reclaiming The Land: A Veteran Revisits Vietnam, J.S. Chadwck Jun 1999

Reclaiming The Land: A Veteran Revisits Vietnam, J.S. Chadwck

The Journal of Conventional Weapons Destruction

When is a war really over? When the peace treaties are signed and the armies withdrawn? Or, when ordnance left over from the fighting is no longer killing people? If the answer to the last question is yes, then the Vietnam War is still going on. In Vietnam today people are being killed, or wounded on a daily basis by ordnance left behind by a conflict that should have ended 24 years ago. Most of those people are children. Throughout the Vietnamese countryside there are tens of thousands of pieces of unexploded ordnance (UXO). These UXO run the gamut from …

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Performance Report -The Minebreaker 2000, Thorsten Peter Jun 1999

Performance Report -The Minebreaker 2000, Thorsten Peter

The Journal of Conventional Weapons Destruction

At the end of 1995 a decision was taken within the Diehl Group to create technologies for humanitarian demining. A starting point for these considerations was the German government's firm political intention to make a significant contribution to combating the landmine plague and in particular - as one of the world's leading industrialized countries - to provide technology on an industrial scale for this purpose. The company Flensburger Fahrzeugbau GeselIschaft mbH (FFG) was commissioned to implement the project.

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The $64,000 Question: How Are We Going To Remove All Landmines In Ten Years?, Margaret S. Busé Jun 1999

The $64,000 Question: How Are We Going To Remove All Landmines In Ten Years?, Margaret S. Busé

The Journal of Conventional Weapons Destruction

Thorsten Peter, of Flensburger Fahrzeugbau Gesellscaft, manufacturers of the MINEBREAKER 2000 offers insight into the challenges of mechanical landmine clearance. "Humanitarian demining has to be accelerated. We can't go on at the pace we are presently going. It will simply take too long." -Mr. Thorsten Peter.

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The Heartlands Group, The Heartlands Group Jun 1999

The Heartlands Group, The Heartlands Group

The Journal of Conventional Weapons Destruction

The development of mechanical mine clearance systems has been a long and protracted affair. It is generally accepted that no single machine can solve all mine problems, and if such a machine were to be developed, its size would probably prohibit it from being of practical use in the field.

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The Una-Usa Adopt-A-Minefield Program, Margaret S. Busé Jun 1999

The Una-Usa Adopt-A-Minefield Program, Margaret S. Busé

The Journal of Conventional Weapons Destruction

The United Nations Association of the United States (UNA-USA) officially launched Adopt-A- Minefield in 1998, in partnership with the Humpty Dumpty Institute (HDI). It was at that time that Adopt-A-Minefield received the first list of minefields available for adoption from the United Nations. This summer they will launch a comprehensive website on landmines and Adopt-A-Minefield at www.landmines.org. This extensive website will contain mine information, corresponding links; mine afflicted community profiles, maps, children's information, and more.

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Boys With Toys Chase Silver Bullet, Joe Lokey Jun 1999

Boys With Toys Chase Silver Bullet, Joe Lokey

The Journal of Conventional Weapons Destruction

One of those wonderful little anecdotes in the mine action community that everyone quotes and misquotes allegedly came from a 13-year old school girl in Halifax, Nova Scotia. When hearing of the technical challenges in locating and destroying antipersonnel mines she asked, "Why is it that we can run a mechanized shoe box around the surface of Mars but can't seem to locate a dangerous tin can just a few centimeters below the surface of the earth?" Out of the mouths of babes...

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Magnetic Fragment Collection, James Trevelyan Jun 1999

Magnetic Fragment Collection, James Trevelyan

The Journal of Conventional Weapons Destruction

In a typical manual mine clearance operation, deminers often spend nearly all of their time finding metal fragments in the search for anti-personnel mines. Often there is too much metal to be able to use metal detectors: then the deminers have to probe an entire minefield by hand, every 25 - 50 mm apart, or even dig through thousands of square metres of ground by hand.

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Ddasaccident207, Hd-Aid Jun 1999

Ddasaccident207, Hd-Aid

Global CWD Repository

The primary cause of this accident is listed as a "Management/control inadequacy" because the system of sending out Level 1 survey teams without protection is inherently and obviously dangerous. To expect the surveyors to always be able to correctly assess an area prior to entering it implies a lack of knowledge and/or thought on the part of those who devised the system. The parameters of survey seem to have been confused, with inadequate SOPs and the surveyors having no clear idea of the limitations of their work. With the work ill defined, the training cannot have been appropriate, so the …

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Ddasaccident319, Hd-Aid May 1999

Ddasaccident319, Hd-Aid

Global CWD Repository

The accident occurred in a mined area surrounding a former Frelimo/Zimbabwean soldier’s camp. The demining team was using a combination of manual and MDD techniques. At 07:50, victim No.1, the Team Leader, stepped on the mine and his right foot was amputated.

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Ddasaccident257, Hd-Aid May 1999

Ddasaccident257, Hd-Aid

Global CWD Repository

The investigators concluded that the victim was carrying out an excavation drill correctly. A high "gravel" content in the soil made excavation the correct drill to use. His blast apron was covered with mud, which was taken as proof that he was using water to soften the ground. The investigators thought it likely that the mine was unusually sensitive due to having spent "more than 20 years in the ground". They thought it possible that the spring firing mechanism was already partly depressed.

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Ddasaccident261, Hd-Aid May 1999

Ddasaccident261, Hd-Aid

Global CWD Repository

The victim was carrying out a normal excavation drill at 10:45 when a mine, "suspected R2M2…functioned" and he suffered a slight cut and some bruising to his left hand.

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Ddasaccident120, Hd-Aid May 1999

Ddasaccident120, Hd-Aid

Global CWD Repository

The victim was the one of a two-man team and was supposed to be "controlling" his partner who was in the clearance lane. The victim claimed that he had noticed an object "that he did not recognise" and prodded it with a piece of wire when it exploded. He sustained "lacerations and some light fragment damage to his hands… deep lacerations and damage to his left thumb and forefinger and lighter lacerations to his right middle finger".

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Ddasaccident121, Hd-Aid May 1999

Ddasaccident121, Hd-Aid

Global CWD Repository

The victim was a Team Leader whose duties included disarming R2M2 mines. At 06:27 the Victim was "neutralising" an R2M2 mine by removing its booster charge [unscrewed from below] when the mine detonated. Another Team Leader witnessed the event and reported that the Victim was wearing his protective equipment (visor and apron) properly.

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Ddasaccident010, Hd-Aid Apr 1999

Ddasaccident010, Hd-Aid

Global CWD Repository

The victim had been investigating a detector reading (at around 11:00) with his prodder when a mine [identified as an R2M2 by inference] detonated. He had bruised (sprained) his thumb. He had no other injury.

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Ddasaccident011, Hd-Aid Apr 1999

Ddasaccident011, Hd-Aid

Global CWD Repository

The demining group were clearing the Zimbabwe/Mozambique border minefields. The detector used was a Vallon with a folding handle. Deminers reported being poorly paid at the time and morale was low. The site management was intensely unpopular and seen as having little relevant background in humanitarian demining.

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Ddasaccident575, Hd-Aid Apr 1999

Ddasaccident575, Hd-Aid

Global CWD Repository

Two army EOD specialists have been seriously injured, both suffering amputations. [This is the second of those victims. No details of how the accident occurred have been made available. It is inferred that he touched the submunition in order to move it because this was the common feature in other accidents with this munition at this time.]

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Ddasaccident334, Hd-Aid Apr 1999

Ddasaccident334, Hd-Aid

Global CWD Repository

The Victim was working in a breaching party making a lane to the top of the hill. He had been working for 20 minutes when he registered a detector reading. He then either moved to mark the reading and stood on the mine or marked the reading and stepped back, stepping on the mine.

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Ddasaccident574, Hd-Aid Apr 1999

Ddasaccident574, Hd-Aid

Global CWD Repository

The rest of us kept walking for another five minutes and then we heard a terrible detonation. Somehow, we knew what it was. The sound was different, much louder; sinister, if I can put it that way. We knew that it was [the Victim]. We ran back and the only thing we could see was one blood-stained boot hanging from a tree. And then we realised that he had been blown to pieces. We had to pick each of the pieces up by ourselves; there was nobody else who could do it. The only part of his body that kept …

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Ddasaccident208, Hd-Aid Apr 1999

Ddasaccident208, Hd-Aid

Global CWD Repository

At 16:10 the victim changed roles with his partner and began work. His partner withdrew 30 metres. His partner saw him work with the Schiebel An 19/2 detector, put it down and kneel to prod. Then he put the prodder aside. About 30 seconds later, at 16:20 [ten minutes before work was to stop at 16:30], the victim initiated a PROM-1 mine which "appears to have exploded directly next to his head and chest". He had not told his partner that he had found a mine.

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To Walk The Earth In Safety 1st Edition (Fy1998), Us Dos Pm/Wra Apr 1999

To Walk The Earth In Safety 1st Edition (Fy1998), Us Dos Pm/Wra

Global CWD Repository

To Walk the Earth in Safety. The United States Commitment to Humanitarian Demining informs the reader about the U.S. commitment to rid the world by the year 2010 of anti-personnel landmines (APL) which pose a threat to civilians. The most recent U.S. Government survey identified 93 countries affected with either an APL, or an unexploded ordnance (UXO) problem, or both. Although the estimates regarding the number of mines implanted in each country vary widely among sources, the U.S. estimate of APL infestation is approximately 60-70 million worldwide. This report covers FY1998.

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Ddasaccident155, Hd-Aid Mar 1999

Ddasaccident155, Hd-Aid

Global CWD Repository

Both reports agreed that the victim had located a signal with a Vallon detector and was investigating it with his prodder when the mine detonated at 08:05. The victim walked unaided to the base line where he was treated first by the team medic and then by the site doctor.

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Ddasaccident186, Hd-Aid Mar 1999

Ddasaccident186, Hd-Aid

Global CWD Repository

The report stated that at the time of the accident there were three team leaders and the driver in the cab and an unspecified number of deminers in the back. On arriving at the site the driver inquired about the mines and subsequently pressed the top of one as it was being held by a Team Leader, making the detonator explode. The victim sustained an injury to the flesh of the mid-finger of his right hand. [However, the victim was the driver and as the blast emanated from the bottom of the mine it seems likely that he held it …

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