Abstract: Recent advances in GNSS technology make it possible to apply this technology with radio occultation and precise orbit determination purposes, among many other applications. This paper ...

Abstract: The development of robotic systems, artificial intelligence systems, and information technology is changing the paradigm of search management for both moving and stationary objects (targets) ...

MIAMI (AP) — The oil tanker was steaming near the coast of Guyana recently when its location transponder showed it starting to zigzag. It was a seemingly improbable maneuver and the latest digital ...

The defense secretary has insisted no classified information was shared. A monthslong investigation into Defense Secretary Pete Hegseth's use of the commercial messaging app Signal is complete and its ...

The Trump administration disputes report on alleged orders from Hegseth. Sen. Chris Van Hollen, D-Md., said Sunday he believes "it's very possible there was a war crime committed" in the ...