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This is the way one world ends.

The SEALs of Shark Platoon, having recovered President Wood and his wife from a black site, now face another task; get POTUS to safety. Hounded at every turn, the SEALs are engaged in a running battle against forces intent on reclaiming what was taken from them.

ODA-141, the Outlaws, have reached their objective, the DHS communication facility, only to discover there’s more involved than just flipping a switch. Lines of corrupt code are preventing surviving military units from contacting each other. What’s worse, within those lines of code, someone is monitoring their every move. With threats on all sides, no support or reinforcements, the Outlaws could be facing their very own Alamo.

In the Gulf Coast, Warrant Office Dayna Doyle and former DEA agent Levi Bennett make a decision to board and explore the strange US Navy vessel moored off-shore. The vessel has been the center of attention for an unknown force and they want to know why. What they uncover could change the war against the infected forever.

The MAG, now at their primary fall-back site, is now faced with a significant obstacle for their prolonged survival. A decision needs to be made: remain in place or search for another location.

Jim Morrison, a survivor from Idaho Falls, sets out to find his family and friends. Along the way, he attempts to piece together what happened to him. When he finds someone who might be able to help, the situation radically changes.
In a world where survival is rated in minutes, chaos reigns supreme.

Welcome to the apocalypse.

383 pages, Kindle Edition

Published May 20, 2019

70 people are currently reading
6 people want to read

About the author

J.R. Jackson

12 books30 followers

J.R. Jackson is a former U.S. Navy Chief Petty Officer. During his career, he has been deployed all over the world working with branches of the U.S. military and military units from foreign countries.


He is currently a Military Technical Advisor for several authors and an outdoor survival and disaster mitigation educator.

The Up From the Depths series is his first venture into fictional writing.

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5 stars
52 (58%)
4 stars
24 (26%)
3 stars
7 (7%)
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1 (1%)
Displaying 1 - 8 of 8 reviews
3 reviews
June 20, 2019
Going off track

8th book and I'm still reading. However, this series seems to be going way off into left field. Zombies leading zombies on a chain, advanced AI naval ships, psychic zombie whisperer, character watches whisperer talk to zombie and never even checks for zombies when he opens door to leave. I keep dreading what other weird stuff the author is going to throw into the book.
20 reviews2 followers
June 25, 2019
Another outstanding installment!

Sorry I haven't written earlier. I know these reviews mean a lot to independent authors. I've been reading your Up from the Depths series for several years and I'm continually impressed by the complexity of your writing. And this while keeping me in constant suspense. I actually tried to slow down my reading to make book 8 last longer. While the time between books 7 and 8 was unfortunate (I'm sure the loss of your dad was devastating) , there are many readers out there like me who are willing to wait patiently for each installment. While I'm here can you ask Tony Monchinski and Stephen Knight to get their s**t in gear and write another zombie epic? All kidding aside they are two awesome writers and maybe you could talk them into a few more books in the zombie apocalypse genre. This would be a great favor since holding my breath didn't seem to work. Thanx again - Mike M
1,204 reviews17 followers
October 2, 2019
A detailed realistic book about the apocalypse, maybe too detailed not enough action.

I enjoyed this book, and I enjoyed the series very much because I’m detailed oriented. I like to know what’s going on with military ordinance and the way they execute their plans. But most people do not like that. There was not enough action in this book, for example we wanted to see how the town was invaded by the infected not from a post perspective you. I.e. not from a Birdseye view but from those in the town who kicked the military out. What they saw how they felt when The infected got into the town. We need more situations like this as well as resolutions with people in the storyline. I personally want to see John meet up with Cassie and continue the relationship. Hopefully things will happen further in the next book.
4,416 reviews28 followers
June 11, 2019
Chokepoint review

Chokepoint is the eighth fast-paced post apocalyptic survival book in the Up From the Depths series written by author J. R. Jackson. Looking forward to reading book nine.
Profile Image for Ron Clark.
104 reviews1 follower
February 19, 2020
Rhetoric

I have enjoyed this saga. This the first that failed to earn 5 stars. We have been shown how it started as a radical attempt to rapidly de-populate the planet. This book destroyed that and blamed Democrats. It has greatly tainted the series.
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47 reviews
September 19, 2019
All caught up

Not like if that I am all caught up in the series and now have nothing to read. Hopefully it won’t be long.
Profile Image for Angie Anderson.
584 reviews7 followers
November 2, 2020
Wow!

I love this book. The hints of what could come are so very subtle. J.R. Jackson just has a way
Profile Image for Andrea Payne.
709 reviews6 followers
February 6, 2023
Chokepoint: Up From the Depths Book 8

J.R. Jackson is a truly talented writer. His personal knowledge from his own service is quite evident. The way in which he has all these little components all over the map (like, literally all over the United States) who are working unilaterally toward the same overall goal is really interesting. The teasers about empty prepared sites are hopefully going to come into the good of things.
Displaying 1 - 8 of 8 reviews

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