US drone firm linked to Trump's sons signs deal with Pakistan army

US drone firm Powerus has signed a memorandum of understanding with the Pakistan Army that includes an initial drone-related order, co-founder Brett Velicovich told Reuters on Wednesday.Velicovich declined to provide details, citing security sensitivities, but said the deal fell within the category of unmanned aerial systems. He also declined to disclose the value of the order, citing confidentiality.The signing of the MoU and the initial order have not previously been reported.Powerus, which offers aerial and maritime drones for military and industrial use, is due to merge with a publicly traded company backed by two of US President Donald Trump's sons, called Aureus Greenway Holdings. Both companies have said they expect the merger to complete in early October.Trump's sons, Donald Trump Jr and Eric Trump, own a stake in Aureus through an investment fund called American Ventures, according to US regulatory filings.