top of page

Captain's Blog


Fighting Back Against GPS Spoofing and Jamming – A Turning Point for Maritime Navigation
Reports of GPS spoofing and jamming along the Southern U.S. border and interference in other strategic waterways are stark reminders that GNSS disruption is no longer theoretical — it’s happening, and it’s affecting shipping. The message is clear: our navigational resilience is being tested in the real world.

Captain Cal Callahan
Sep 17


An Avoidable Grounding in the Red Sea: GPS Spoofing and the MSC Antonia
Only a few weeks ago the MSC Antonia ran aground near Jeddah Port after a confirmed GPS spoofing attack – highlighting growing cyber risks in global shipping.

Captain Cal Callahan
May 26


Lithium Batteries in the Maritime Industry
Explore the growing use of lithium batteries in the maritime industry and the potential safety concerns.

Captain Cal Callahan
Oct 11, 2024


The Debate on Reduced Commercial Sea Time
I've often been asked about my thoughts on the reduction of required sea time for commercial vessels compared to the "good old days."

Captain Cal Callahan
Sep 23, 2024
bottom of page