The Navy has reviewed synthetic aperture sonar technologies at the request of Congress, including products that are in use with allied navies but none provide "adequate performance," according to the service's acquisition executive. Other sonars would require significant funding to integrate and test and would result in increased schedule risk for the Littoral Combat Ship mine countermeasures mission package to achieve initial operational capability in fiscal year 2021, according to a March 23 report Navy acquisition executive Hondo Geurts submitted...