421128f
Mandatory Credit: Photo by REX (421128f) Captain Lowell Smith and Lieutenant John P Richter, who made the first mid-air refueling at Rockwell Field, California - Jun 1923 VARIOUS AVIATION
Mandatory Credit: Photo by REX (421128f) Captain Lowell Smith and Lieutenant John P Richter, who made the first mid-air refueling at Rockwell Field, California - Jun 1923 VARIOUS AVIATION