Story & Art: Mac Raboy
Original run: 1958-06-22 to 1958-08-17
Summary: Taking a prolonged holiday away from all things space to come to terms with the outcome of his latest mission (see S-070 The Z Bomb Cloud), Flash is contacted by his old big-game hunter friend Brian Farr, who has an interesting new theory to offer.
Being a firm believer in the existence of living ‘flying saucers’ in Earth’s upper stratosphere, Farr persuades a sceptic Flash to pilot a reconnaissance ship to the right altitude to observe, and catch, one of the fascinating creatures...
(Source of summary: www.ipcomics.net)
All credits go to "spax".