It's D-166: The Pacific Circle (13 Dec 1976 - 23 Apr 1977)
Writer: Lee Falk
Artist:Fred Fredericks
Scanned & edited by Venkitachalam Subramanian. All thanks & credits go to him.
Link was down, collect this version from March 2018 re-post.
Link was down, collect this version from March 2018 re-post.