 The UH-72 is employed by the US Army National Guard in a utility role in the US, releasing UH-60 Black Hawk helicopters to deploy overseas.On 21 June 2013, Under Secretary of Defense for Acquisition, Technology and Logistics Frank Kendall stated in a letter to Congress that UH-72 combat modifications were "presently unaffordable".Fleet-wide combat modifications would reportedly cost $780 million and add of weight per helicopter; changes would include passive and active survivability systems, hardened engines and drivetrain, external lighting and communications upgrades.