Tuesday, August 4, 2020

Yemen's Multilayered War: The Houthi Rebellion

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Anant Jani

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Yemen's Multilayered War: The Houthi Rebellion

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Global Views 360

Publication Date

August 4, 2020

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Houthi rebels protesting the airstrike in Sana

Houthi rebels protesting the airstrike in Sana | Source: Henry Ridgwell (VOA) via Wikimedia

This is the 3rd part of a short explainer article series on the current crisis in Yemen.

To read the 1st part of the series click on the link.

To read the 2nd part of the series click on the link.

After the overthrow of the monarchy in 1968,  Yemen existed as two countries — North Yemen and South Yemen.  These two countries united in 1990, after several years of conflict with one another.

This unity could not remain for long and the North-South divide resurfaced which led to the first civil war of unified Yemen. This civil war was short-lived and ended in 1994 after the decisive victory of the pro-unification governing faction over the Southern saperatist faction.

On the other hand a major dissatisfaction with the central government was simmering in the region dominated by a local branch of Shia Muslims known as Zaidi. They are the decendent of Prophet Muhamma and believe that Muslims should be ruled only by a descendant of Prophet Muhammad whom they call an Imam. They have ruled Yemen for more than 1,000 years which ended in 1962.

Zaidis are a minority sect in Yemen but have much ideological affinity with the Sunni Shafi'i majority. They lived together harmoniously and prayed in the same mosques for hundreds of years.

A new element was also getting added to the dangerous mix of sub-nationalism, intra religious division, and tribal loyalty in Yemen. The Yemeni veterans of Soviet-Afghan war who fought with the mujahideen were battle hardened and well versed in guerilla warfare. They started a low level insurgency and also tried to impose a hardline interpretation of Islamic religious and social practices in Yemen.

In order to counter the socio-economic and political marginalization by the central government as well as the growing influence of Salafism in their northern heartland, the Houthis formed a movement named Ansar Allah. President Saleh however accused them of attempting to overthrow the government and of seeking to revive the rule of the imamate in Yemen.

The Houthi Rebellion (also known as the Shia Insurgency):

The Houthi Movement in its current militant form began in 2004 by Hussein Badreddin al-Houthi, religious, political and military leader, as well as former member of the Yemeni parliament between 1993 and 1997. Though he was killed in the action of very early in his fight with the government forces, his brother who took over the movement leadership made it politically and militarily a formidable force in Yemen.

Zaidis have had historical grievances against the Wahhabi, the dominant Sunni sect in Saudi Arabia, who assisted North Yemen in the First Yemen Civil War. The Zaidi fear they still have too much say in Yemeni politics. They have also fought against the Salafis, whom they accuse of implementing the hardline interpretation of Islamic religious and social practices in Yemen. In order to counter these forces, Houthis destroyed the schools run by them in Saada, Dar al Hadith in Dammaj and its sister school in Kitaf, claiming them to be “feeder schools”, for al-Qaeda.

It was the 2011 Yemeni Uprising (or Intifada), which catapulted Hauthis to the centre of Yemen politics. They sided with the common citizens of the country in demanding the resignation of President Saleh whom they charged with corruption and for being a lackey of Saudi Arabia and the USA. A Nesweek photo-essay reported that Houthis are fighting "for things that all Yemenis crave: government accountability, the end to corruption, regular utilities, fair fuel prices, job opportunities for ordinary Yemenis and the end of Western influence."

Later in 2011, President Saleh resigned, as per the Houthi terms, letting Abd Rabbuh Mansur al-Hadi step in as the President in exchange for immunity from prosecution. However the Houthis pressed on with their power grab which started resentment among other players.

In an ironic act, ex-President Saleh who was overthrown in an Houthi led public uprising, threw his weight behind Houthis in the power struggle. In 2015 he publicly announced his formal alliance with the Houthis, and hoped for ceasefires with the Arab Coalition.

In 2015, Hadi, the President of Yemen was placed under house arrest by the Houthis and forced to resign. He managed to flee to Aden, and rescinded his resignation. He fled to Saudi Arabia, and returned in September with the Arab Coalition at his support. Ever since, he has used Aden as his governing base.

At the same time, Saudi Arabia imposed severe restrictions on import, including air and sea blockades in Yemen, resulting in the shortages of food and medicine. Given the fact that Yemen is dependent on imports for food supply and medicine, it is no surprise that the blockades have led to a famine situation, compounded by an outbreak of cholera since 2016 caused by and worsened due to the air-strike bombed healthcare infrastructure.

After aligning with Houthis for many years, Saleh once again took an about turn in 2017 by publicly ending this alliance and stated his openness to talk with the Saudi-led coalition. Al Jazeera reported this was because the Saudi Prince had decided that Saleh, rather than Hadi, would help to win the war. However, the same year, Saleh was assassinated.

In September 2019, the Houthis claimed responsibility for drone attacks on Saudi Arabia's eastern oil fields of Abqaiq and Khurais, disrupting nearly half the kingdom's oil production.

In January 2020, the Houthi Special Criminal Court found Hadi guilty and sentenced him to death, for “high treason...and looting the country’s treasury”, over other things,

It is important to note that Saudi Arabia and the USA have also seen this war as a Sunni Saudi pitted against a Shi’ite Iran. This has been shown to be inaccurate - both nations likely intending it as an excuse for using extreme military might and sanctions that Saudi has engaged in with the backing of both, the Obama and Trump administration, to use Yemen for strategic purposes.

It is this war, between Saudi-backed Hadi at Aden and the Iran-led Houthis at Sana’a, that has prolonged for 5 years and displaced millions, prompting the UN to call it the worst man-made humanitarian disaster.


To read the 4th part of the series click on the link.

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July 19, 2021 11:59 AM

3D Printing: The direction to go for the Indian Defense and Aerospace Industries

3D printing is the next big game-changer on the technological front, almost a revolution if you will. 3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by layering two-dimensional cross sections on top of one another. The two-dimensional cross sections are computer-designed and rendered, which makes it all the more advanced. From Aerospace to Defense and Medical to Automotive, products manufactured via 3D printing are spreading their reach in the markets quite swiftly. This article will take a look at how 3D printing is beneficial and how the technology can transform the Indian and Defense and Aerospace sectors once utilized to its full potential.

Additive manufacturing has the power to unlock a wide range of opportunities. It uses a 3D printer to create a layer-by-layer “addition” of material which is digitally constructed. Different types of materials which are currently being used for the same are metals, ceramics, special plastics, synthetic resins, and etc. 3D printing not only reduces the cost of production of various components but also gives the power to manufacture locally with design flexibility. The technology significantly speeds the process of designing; this is mainly because there is no requirement of tools. Traditional manufacturing usually takes months to either acquire necessary tools and further produce parts and components or import components from various places. However, once 3D printers are acquired, which they might be costly in themselves, they would ensure a smoother production process. Hence, due to the combination of localized manufacturing and no tools, tailor-made designs can be produced to match the necessities of various industries.  

https://upload.wikimedia.org/wikipedia/commons/thumb/7/75/MakerBot_ThingOMatic_Bre_Pettis.jpg/220px-MakerBot_ThingOMatic_Bre_Pettis.jpg
Figure 2: A typical 3D printer. Source: Bre Pettis via Flickr

India is gradually growing with respect to its utilization of 3D printing technology. In 2014, the 3D printers market was at an early stage with just 200-500 combined workforce of engineers, designers and sales representatives. Currently, start-ups are springing up in places like Bangalore, Chennai, Mumbai, Visakhapatnam, etc and they are producing essential parts for sectors like the Indian Navy, Air Force, ISRO and the HAL.  India’s 3D printing market is projected to reach $79 million by the end of 2021, while the global market is at around $15.8 billion, which suggests that India has a lot of catching up to do.

Applications in the Aerospace and Defense Industry

The Aerospace and Defense Industries are keen to pursue additive manufacturing, mainly because of benefits such as weight reduction, cost cutting and to meet their highly specific requirements. The additive process uses less material to manufacture components and also ensures minimal waste of material. Overall reduced weightage means that less fuel would be used in aircrafts and hence result in better environmental compatibility. Let’s examine a few instances in India where 3D printing startups have assisted and provided the defense and aerospace sectors with unique solutions.

Recently, in 2020, the Centre-run defense company Hindustan Aeronautics Limited (HAL) had signed a MoU (Memorandum of Understanding) with Wipro 3D, the metal additive manufacturing branch of Wipro Infrastructure Engineering. The initiative would primarily focus on the design, development, testing, manufacturing, and repairing of aerospace components using metal additive technology. HAL is using 3D printing to manufacture engine components, although it also provides support to helicopter and rotary wing products. HAL also provides products to the Indian Army, Air Force, Navy, and Coast Guard. Speaking about this collaboration, Shekhar Shrivastava, CEO of the Bangalore division of HAL, said, “This initiative between HAL and Wipro 3D will create a unique synergy of capabilities that can accelerate the adoption of metal additive manufacturing in aerospace in India. Qualification of parts for aerospace is challenging as it would require prove out and extensive testing followed by certification by regulatory authorities which may also include flight testing."

Down south, Karnataka, which produces more than 65 percent of India’s aerospace-related components and exports, has taken a number of initiatives to promote additive manufacturing by setting up 3D printing clusters and sponsoring 3D printing startups. For example, through its flagship programme ‘Start Up Karnataka’, the State has given grants to ‘Deltasys E-Forming’, a Belgaum based start-up, to develop hybrid composite 3D printers. These initiatives are quite appropriate since two-thirds of India’s aircraft and helicopter manufacturing for the defense takes place in Karnataka, and 3D printing would revolutionize these processes quite rapidly.

On the other coast, Chennai-based 3D printing startup, Fabheads Automation, was established in 2015 by an ISRO engineer turned entrepreneur Dhinesh Kanagaraj. The deep tech startup designs and develops high-end carbon fibre helicopter blades for the Indian Air Force. Traditionally, carbon fibre parts are fabricated by laborious manual processes with a lot of fabrication time and money spent. Dhinesh also observed a lot of material wastage when he worked on carbon fibres at ISRO.  Based on this, Fabheads has designed an automated 3D printer series to eliminate material waste and also improve efficiency of production of carbon fibre. Sectors like the DRDO are currently approaching the company given these innovative methods of production.

3D Printing Saves the Day for the Indian Navy

Further, the Indian Navy has partnered with ‘think3D’, a Hyderabad-based 3D printing start-up, to produce spare components via additive manufacturing for both on and off-shore set-ups. The Indian Navy uses a lot of machinery on its ships which are imported from other countries and are quite old.  Whenever a component gets damaged, it is hard to replace it either because there is no availability of the part or because there is significant delay before a part is received. This often proved to be costly for the Navy since the machines would have to be kept idle before a spare part was replaced along with the fact that procurement of the parts was no less expensive.

This is where think3D had stepped in and supplied 3D printed parts to the Indian Navy, which were successfully tested and incorporated into its machinery. An example of such a 3D printed part, which proved to be of crucial help, is that of a centrifugal pump impeller- a key component for a ship’s operation.

https://3dprintingindustry.com/wp-content/uploads/2020/04/4.jpg
Figure 3: An original impeller (left) vs. a 3D printed impeller (right). Image source: think3D

The impeller is a rotating component and it is very important for a ship as it transfers energy from the motor to a fluid that needs to be pumped by accelerating the fluid outwards from the centre of rotation.  On ships, this component is used to import seawater into various parts of the ship for regular use of the crew. These impellers are required to rotate at high speeds for long durations and need to be very carefully designed. 3D printing was the best solution to replace these parts, given the speed of production and lower expenses.

Given all the benefits of 3D printing, it is high time for the Indian market to expand its 3D printing industry and utilize it to its full potential. There are many other instances like the one of the impeller in the Aerospace and Defense industries which can easily be solved using 3D printing.

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