There was going to be a 300km range Harpoon but the U.S. Navy wasn't interested with the introduction of the LRASM. Besides possible boost in range there were improvements in guidance and sensors on the upgraded Harpoon.View attachment 755746
View attachment 755747
and superior range
250 km ATMACA
200 km EXOCET Block-III
140 km HARPOON Block-II
120 km C-802