A bunch of Microsoft employees is demanding the corporate cancel a contract supplying the U.S. Military with HoloLens headsets that they are saying would flip real-world battlefields right into a online game.

Microsoft’s head-mounted HoloLens shows use augmented actuality, which implies viewers can see digital imagery superimposed over the surroundings in entrance of them.

A letter signed by greater than 50 Microsoft workers Friday and circulated on an inner messaging board stated the know-how might assist troopers spot — and kill — adversaries on the battlefield.

They are saying they “refuse to create know-how for warfare and oppression.”

“We didn’t signal as much as develop weapons, and we demand a say in how our work is used,” the letter says. It asks Microsoft CEO Satya Nadella and President Brad Smith to cancel a $480 million contract the Military introduced in November.

Microsoft stated in a press release Friday that it’s dedicated to working with the army, together with the Military below the HoloLens contract.

Microsoft pointed to an October weblog put up by Smith saying those that defend the U.S. ought to have “entry to the nation’s finest know-how.” The corporate added it can proceed to deal with “necessary moral and public coverage points regarding (synthetic intelligence) and the army.”

Army bidding paperwork say the brand new know-how — which the Military calls its Built-in Visible Augmentation System — shall be used for each coaching and warfighting. The Military’s said intention is to deliver extra situational consciousness to troops in order that they turn into extra deadly and cellular.

The protesting employees say it means HoloLens, higher recognized for its enterprise and leisure purposes, shall be used to assist kill.

The protesting employees write that “will probably be deployed on the battlefield, and works by turning warfare right into a simulated ‘online game,’ additional distancing troopers from the grim stakes of battle and the fact of bloodshed.” The Military didn’t instantly reply to a request for remark Friday.

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The letter additionally asks Microsoft to cease constructing any weapons applied sciences and appoint an unbiased ethics assessment board to find out acceptable makes use of of Microsoft know-how.

The inner unrest over the Military contract follows a yr of activism by tech employees who’ve turn into more and more emboldened to voice their considerations about how their merchandise are utilized. The same worker protest at Google final yr contributed to the corporate dropping out of the army’s Undertaking Maven, which makes use of synthetic intelligence to research aerial photos from fight zones. Microsoft employees additionally final yr raised public considerations and circulated an open letter protesting the corporate’s work with U.S. immigration authorities.

Microsoft below Nadella has sought to differentiate itself as an ethically minded company that takes care to make use of its technological advances in ways in which profit society. The worker protest letter Friday acknowledged a few of these efforts however stated extra must be completed to tell engineers of the intent of the software program they’re constructing.

It additionally comes as Nadella is predicted to unveil a brand new era of HoloLens headsets Sunday on the Cell World Convention in Barcelona, Spain.