GULF OF AQABA (Feb. 13, 2022) The U.S. Coast Guard Sentinel-class cutter USCGC Glen Harris (WPC 1144) sails near a U.S sail drone explorer during the International Maritime Exercise/Cutlass Express (IMX) 2022, Feb. 13, 2022. IMX/CE 2022 is the largest multinational training event in the Middle East, involving more than 60 nations and international organizations committed to enhancing partnerships and interoperability to strengthen maritime security and stability. (U.S. Army photo by Cpl. DeAndre Dawkins)
“U.S.-based Saildrone will deploy four large unmanned surface vessels in Danish waters next month to conduct maritime surveillance missions and help protect critical undersea infrastructure…Four 10-meter Voyager USVs equipped with a suite of intelligence-gathering sensors and AI data fusion will be sent to Denmark to support the Danish military gain better maritime awareness.”
Chuck Hill's CG Blog 
The Royal Danish Air Force is also receiving four Saab 340 “Erieye”, probably also for the same reason to keep tabs on possible Russian/Chinese shenanigans near the Kattegat Strait…