US Army’s bionic arm needs improvement, this is how

Alleviating the weight burden on soldiers is a never-ending task. Armies are always on the look out for novel equipment and technology that lessen the burden – not always necessarily by reducing weight, but helping him or her carry a large load instead.

One of the latest technologies to come out of the US is a bionic ‘third arm’, created by the US Army Research Lab, which helps soldiers carry a weapon such as the issue M16/M4 rifle.

Now, I’m always keen to hear about weight-saving technologies and devices that can make tabbing and fighting with heavy kit are little more bearable (it can be a pretty horrible experience), but I’m sceptical about the arm:

The bionic arm weighs around 2kg and attaches to the soldier’s protective vest, which means reducing weight on a soldier’s upper body and potentially freeing up the arms for other tasks.

Now, this looks pretty interesting when it’s on an exhibition floor and makes a great story, but as ever with this type of technology it throws up a lot of questions about how this would be utilised ‘in the field’.

When soldiers and light infantry are attacking positions, they spend a lot of time in different positions, including standing, kneeling, lying flat (or prone) and everything in between.

There’s also generally a lot of running, crawling and climbing – depending on the terrain and fighting environment – which means your kit (and body) goes through some serious punishment.

For me, I think the arm would actually be a hindrance in those situations, rather than a help. The M4/M16 is not exactly a heavy weapon, in fact it’s one of the lightest assault rifles in the world, so having an extra bionic appendage to help carry it seems a little strange. But it could lead to some interesting technological developments, so I won’t write it off completely.

Now where this could find some purpose is carrying heavy weaponry, much like the soldiers in the film Alien 2 that use a similar articulated arm. The researchers have already said they are interested in attaching the M249 and M240 – but let’s think bigger!

My advise, swap out the lightweight M16/M4 for a beastly 7.62mm M134 Minigun capable of spewing out thousands of round per minute. Now this would be something that would significantly increase the lethality of the individual soldier and his squad.

Also it means that soldiers can recreate this epic scene from Terminator 2.

Or, better yet, that awesome scene from Predator:

Food for thought.

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