Dwayne Day
@kennen11.bsky.social
Historian of military and civil space programs and policy. In my day job I direct studies for NASA on space and aeronautics subjects including planetary science, astrophysics, and Earth science. Work at the National Academy of Science. Trekkie. Dogs.
New article is up: thespacereview.com/article/5100/1
November 11, 2025 at 1:25 PM
New article is up: thespacereview.com/article/5100/1
My next article in The Space Review will be about this. Appearing this evening.
November 10, 2025 at 3:45 PM
My next article in The Space Review will be about this. Appearing this evening.
My new article is up:
thespacereview.com/article/5093/1
thespacereview.com/article/5093/1
November 4, 2025 at 12:01 PM
My new article is up:
thespacereview.com/article/5093/1
thespacereview.com/article/5093/1
My next article will appear in The Space Review Monday evening. It deals with efforts to provide a near-real-time reconnaissance capability to the HEXAGON satellite. There was a 1970 proposal to add a system to the existing reconnaissance cameras. (more)
November 3, 2025 at 1:40 PM
My next article will appear in The Space Review Monday evening. It deals with efforts to provide a near-real-time reconnaissance capability to the HEXAGON satellite. There was a 1970 proposal to add a system to the existing reconnaissance cameras. (more)
Did you see this one?
November 1, 2025 at 10:50 PM
Did you see this one?
My next article will appear in The Space Review on Monday evening. It has these things in common:
November 1, 2025 at 1:37 PM
My next article will appear in The Space Review on Monday evening. It has these things in common:
My other article is up: thespacereview.com/article/5087/1
October 28, 2025 at 4:08 PM
My other article is up: thespacereview.com/article/5087/1
My new article (1 of 2) is up:
www.thespacereview.com/article/5089/1
www.thespacereview.com/article/5089/1
October 28, 2025 at 4:33 AM
My new article (1 of 2) is up:
www.thespacereview.com/article/5089/1
www.thespacereview.com/article/5089/1
I will have two articles in next week's Space Review. One of them will be about a top secret 1963 camera experiment to photograph a suspected anti-ballistic missile site near Leningrad.
October 24, 2025 at 4:14 PM
I will have two articles in next week's Space Review. One of them will be about a top secret 1963 camera experiment to photograph a suspected anti-ballistic missile site near Leningrad.
This is from the Loleta, California Wikipedia page. It does not look like an exciting place to visit.
October 22, 2025 at 10:04 PM
This is from the Loleta, California Wikipedia page. It does not look like an exciting place to visit.
I have two articles in The Space Review this week. Here is one of them. thespacereview.com/article/5085/1
October 21, 2025 at 8:35 PM
I have two articles in The Space Review this week. Here is one of them. thespacereview.com/article/5085/1
My new article with Harry is up:
thespacereview.com/article/5082/1
thespacereview.com/article/5082/1
October 21, 2025 at 11:42 AM
My new article with Harry is up:
thespacereview.com/article/5082/1
thespacereview.com/article/5082/1
I will have two articles in Monday's The Space Review. One of them is about this 1984 study of a Mars mission. It was produced by a workshop at the University of Boulder, Colorado at the Case for Mars II conference.
October 19, 2025 at 12:47 PM
I will have two articles in Monday's The Space Review. One of them is about this 1984 study of a Mars mission. It was produced by a workshop at the University of Boulder, Colorado at the Case for Mars II conference.
No Kings rally, Washington, DC, October 18, 2025.
October 18, 2025 at 10:24 PM
No Kings rally, Washington, DC, October 18, 2025.
I will have two articles in The Space Review on Monday. One of them is about the 1984 Case for Mars II workshop study of a human mission to Mars. Carter Emmart illustrated that study. This was his business card. Printed front and back.
October 17, 2025 at 3:33 PM
I will have two articles in The Space Review on Monday. One of them is about the 1984 Case for Mars II workshop study of a human mission to Mars. Carter Emmart illustrated that study. This was his business card. Printed front and back.
My new article is up:
thespacereview.com/article/5079/1
thespacereview.com/article/5079/1
October 14, 2025 at 11:46 AM
My new article is up:
thespacereview.com/article/5079/1
thespacereview.com/article/5079/1
My next article should be up soon. It is about reconnaissance satellites falling in Venezuela, Spitsbergen Island, and Venezuela. Here is a CORONA reconnaissance satellite undergoing testing in 1964.
October 14, 2025 at 12:49 AM
My next article should be up soon. It is about reconnaissance satellites falling in Venezuela, Spitsbergen Island, and Venezuela. Here is a CORONA reconnaissance satellite undergoing testing in 1964.
My next Space Review article, appearing Monday, will be about reconnaissance satellite hardware falling to Earth in unplanned places like Spitsbergen Island, Venezuela, and England. There was an early proposal to equip the reentry vehicles with a self-destruct system, but the NRO did not do this.
October 12, 2025 at 3:09 PM
My next Space Review article, appearing Monday, will be about reconnaissance satellite hardware falling to Earth in unplanned places like Spitsbergen Island, Venezuela, and England. There was an early proposal to equip the reentry vehicles with a self-destruct system, but the NRO did not do this.
And this article, with Harry Stranger:
thespacereview.com/article/5075/1
thespacereview.com/article/5075/1
October 7, 2025 at 11:59 AM
And this article, with Harry Stranger:
thespacereview.com/article/5075/1
thespacereview.com/article/5075/1
New article:
thespacereview.com/article/5072/1
thespacereview.com/article/5072/1
October 7, 2025 at 11:57 AM
New article:
thespacereview.com/article/5072/1
thespacereview.com/article/5072/1
My Space Review article with Harry is not yet posted, but it deals with this:
October 7, 2025 at 3:25 AM
My Space Review article with Harry is not yet posted, but it deals with this:
USS Oriskany, USS Ranger, and USS Enterprise, from space, and from an aircraft, early 1970s. My article with Harry Stranger about this will appear in The Space Review in a few hours.
October 7, 2025 at 12:02 AM
USS Oriskany, USS Ranger, and USS Enterprise, from space, and from an aircraft, early 1970s. My article with Harry Stranger about this will appear in The Space Review in a few hours.