Sky Masters of the Space Force

[Jeff of Earth-J]

Here is a complete episode guide for the strip. All art is by Jack Kirby, inked first  by Wally Wood and later by Dick Ayers. The only credited scripters were Dick and Dave Wood, but it is widely believed that Jack Kirby wrote the later scripts.

THE COMPLETE DAILIES - 1958-1961 (Hermes Press, 2017):

1. The First Man in Space
2. Sabotage
3. Mayday Shannon
4. To Save a Life
5. The Lost Capsule
6. Alfie
7. Refugee
8. Wedding in Space
9. Message from Space
10. Weather Watchers
11. Fission Tale

THE COMPLETE SUNDAY STRIPS IN COLOR - 1959-1960 (Amigo Comics, 2018):

1. The Atom Horse
2. Project Darkside
3. Mister Lunivac
4. Jumbo Jones
5. The Yoga Spaceman