The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1941, New Series, Vol. 36, No. 3.
Script credit suggested by the Who's Who.
Alex Boon was a by-line used by Fox Publications.
Art revision from Blum to Carreno by Mark Heike, added by Craig Delich, from reprint.
The Courier-News of Bridgewater, New Jersey, had a filler article printed on Monday, February 21, 1944 (page 6) which talks about U.S. Army Air Corps Technical Sergeant John W. Fawcett awaiting his next assignment after taking part in 25 bomber missions over Europe. It mentions that before he joined, he wrote Space Smith. Exact stories at this time are not known. Article provided by Steven Thompson and posted to the Comics History Exchange page on Facebook (25 December 2016).
next app. in THE EAGLE #2