SPIES and SABOTEURS BEWARE! «BLACKHAWK» STRIKES EVERYWHERE! (original poster)
They Feared No Monster - Yet Fell Before the Touch of Man!
A Man's Courage and a Woman's Faith Put to the Supreme Test
Biggest Romantic Thrill Since "Hell Divers"
SIX SMASHING REELS OF ACTION! (original poster)
Super-flyer of the Stratsophere...defied the skies and made aviation history! (original ad)
KILL OR BE KILLED! It's the primitive code of the frozen north...where reckless men gamble their lives for a fortune in furs...and fight for a smile from a pretty girl!
Based on the Saturday Evening Post Story of Three Desperate People
GREATEST SPY ACTION SERIAL OF ALL TIME!
Jet crash mystery solved !!! Where does the blame belong ? Is it the plane ? Is is the pilot ? Is it a plot ?
EVERY FOOT OF FILM ALIVE WITH SPINE TINGLING ACTION!
DANGER ZONE...between earth and sky! (original print ad)