Asia

Laos: Barack Obama regrets 'biggest bombing in history'

B-52 bomber in south-east Asia (December 1972) Image copyright USAF
Image caption Mine clearing agencies estimate that about 288 million cluster munitions and about 75 million unexploded bombs were left across Laos after the war ended

The bombs, as one Laotian recalled, "fell like rain", US President Barack Obama said on a visit to Laos, a first for any sitting US president.

"Given our history here, I believe that the United States has a moral obligation to help Laos heal," he said.

He referred to America's secret and devastating bombing of Laos during the Vietnam War in the 1960s and 70s.

Some $90m (£68m) will be spent over three years for the removal of cluster bombs and other unexploded ordnance.

That compares to $100m spent in the last 20 years.

Mr Obama did not offer an apology for the bombing.

Image copyright AFP/Getty Images
Image caption Unexploded bombs have continued to maim and kill Laotians for decades

How many bombs were dropped?

Image copyright Phoonsab Thevongsa, NPA

In his comments on Tuesday, President Obama described Laos as the most heavily bombed nation in history. Eight bombs a minute were dropped on average during the Vietnam war between 1964 and 1973 - more than the amount used during the whole of World War Two.

The US flew 580,344 bombing missions over Laos, dropping 260m bombs - equating to 2m tons of ordnance, with many targets in the south and north struck time and again as part of efforts to isolate Communist North Vietnamese forces.

Most devices dropped were anti-personnel cluster bombs. An estimated 30% of these munitions did not detonate.

Ten of the 18 Laotian provinces have been described as "severely contaminated" by unexploded ordnance (UXO).

Mine-clearing agencies estimate that about 288m cluster munitions and about 75m unexploded bombs were left across Laos after the war ended.


Why are cluster bombs so reviled?

Image copyright Reuters
Image caption Children are especially vulnerable to cluster bombs, attracted by their toy-like appearance

Cluster bombs scatter explosives across a wide area and often fail to detonate on impact.

They pose a significant threat to civilians because of both their impact at the time of use and their deadly legacy.

Launched from the ground or dropped from the air, cluster munitions consist of containers that open and disperse sub-munitions indiscriminately over a wide area.

Many explosive sub-munitions, also known as bomblets, fail to detonate as designed, becoming landmines that kill and maim indiscriminately.

They are difficult to locate and remove, posing a danger to civilians long after conflicts end.

Children are particularly at risk, as they can be attracted to the bombs' toy-like appearance.

The Convention on Cluster Munitions bans the stockpiling, use and transfer of virtually all existing cluster bombs, and also provides for the clearing up of unexploded munitions.

It has been adopted by 108 states, but not the US which, according to some estimates, spent as much on clean-up efforts in Laos between 1995 and 2013 as it spent in three days of bombing during the war.

Laos is likely to ask for an extension to its commitment to get rid of UXO when Convention member states next meet in August 2020.


How many people have been killed by UXO?

Image copyright Phoonsab Thevongsa, NPA
Image caption The number of UXO casualties has been drastically reduced in recent years

The number of casualties from air-dropped explosive devices - mostly cluster munitions - in Laos since 1964 is estimated by the Landmine and Clustering Munition Monitor to be around 50,000 people. Of these about 29,000 people were killed and 21,000 injured. The overwhelming majority were civilians.

Today only a handful of people are killed and injured, the figures show.

But the threat posed by UXO stops villagers from getting to their farms and renders vast tracts of agricultural land useless until they have been cleared of munitions.


Will more US money address the problem?

Image copyright Phoonsab Thevongsa, NPA
Image caption The problems caused by UXO especially affect people living in remote rural areas, NGOs say

The president's announcement has been widely welcomed by aid agencies working to address the UXO problem in Laos, which include the Halo Trust, the Mines Advisory Group, Norwegian People's Aid, UXO Laos and Handicap International.

"Before the president's announcement I feared that the UXO operation in Laos would take hundreds of years," Mines Advisory Group country director Simon Rea told the BBC from Vientiane. "Now I am optimistic this can be reduced to decades."

"The president's announcement is extremely good news for us and for poor families in rural areas who lives are still blighted by UXO.

Likewise Halo Trust CEO James Cowan said the president's announcement will have a profound effect on the people of Laos.

"It will help them live and farm in safety on their land, as well as creating opportunities for development and infrastructure," he said.

"Explosive remnants of war have blighted their lives for far too long. It is a momentous step in Laos's journey towards freedom from the deadly debris of war."


What role can surveying play?

Image copyright Phoonsab Thevongsa, NPA
Image caption Aid agencies say that they have become much more efficient at identifying evidence of unexploded cluster bombs

"Today more than ever we are getting a much better grasp of the scale of the contamination," Norwegian People's Aid (NPA) Senior Advocacy and Research Advisor Lucy Pinches told the BBC.

"We are using survey triangulation data to place contaminated land into blocks or boxes which can then be systematically cleared of cluster munition remnants."

Aid agencies have also gained access to Pentagon bombing records so that they can identify which areas of land - mostly the Ho Chi Minh Trail in the south and the Lao communist party headquarters in the north - were bombed and likely to contain unexploded bombs.

"More partnerships in the last couple of years among international clearance NGOs has greatly helped in pushing this process forward," NPA Laos Country Director Jonas Zachrisson told the BBC.

But at the same time he cautions that "much of the country remains unsurveyed with limited data regarding the extent, scope and nature of the problem".


How are Laos-US relations today?

Image copyright AP
Image caption President Obama said that many Americans are unaware of the scale of US bombing in Laos

President Obama is the first US president to visit Laos and has adopted a noticeably conciliatory approach towards his hosts. He said that the US bombings had destroyed "villages and entire valleys, killing countless civilians".

His approach has been welcomed by Laotian President Bounnhang Vorachit as a way of enhancing mutual trust between the two countries after the devastating war.

The president in return has promised the government will step up its efforts to locate and return US servicemen missing in the war.

Mr Obama has made improving relations with Southeast Asian nations a foreign policy priority as Chinese influence has grown in the region.

Communist Laos' economy is heavily dependent on Chinese investment.

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