Operation Question Mark

Reading time: less than a minute | Written by Ben Branch | April 9th 2012

In 1929 some of the first attempts at refuelling planes in flight were being undertaken. This famous photograph of Operation Question Mark shows a 10,000lb Fokker C-2A being refueled in flight by a modified Douglas C-1 transport aircraft.

Read more about the history of mid-air refuelling here.

Ben Branch( Senior Editor )

Articles that Ben Branch has written have been covered on CNN, Popular Mechanics, Smithsonian Magazine, Road & Track Magazine, the official Pinterest blog, the official eBay Motors blog, BuzzFeed, Autoweek Magazine, Wired Magazine, Autoblog, Gear Patrol, Jalopnik, The Verge, and many more.

Silodrome was founded by Ben back in 2010, in the years since the site has grown to become a world leader in the alternative and vintage motoring sector, with well over a million monthly readers from around the world and many hundreds of thousands of followers on social media.

Published by Ben Branch - April 9th 2012

Related Posts

Planes

This is a Cessna C-165 Airmaster from 1940, a time when Europe was already in the throws of WWII but before America joined the conflict. This Airmaster benefits from a full restoration, and it now…

GE Aircraft Carrier Radio Transmitter - TAJ-19

This is an aircraft carrier radio transmitter built by General Electric in 1943, and intended to be used by the U.S. Navy. For reasons unknown it was never used, and it has remained in…

Planes

This is a 1951 Cessna L-19A/O-1 Bird Dog, a tandem-seat, high-wing taildragger built in large numbers for the United States Armed Forces and used extensively for military observation, liaison, reconnaissance, and even a limited…

This is an original WWII-era 1943 Stuart M5A1 tank that remains in operational condition, with both its Cadillac L-head V8s in place and working, its main gun and machine guns have been decommissioned for…

North American P-51D Mustang Fighter Plane

Planes

This is “Sierra Sue II,” it’s a completely restored 1944 North American P-51D Mustang fighter aircraft from the Second World War, and it’s widely considered to be the most original P-51D Mustang still flying….

This is an original Mosler MT900S, an American-built supercar that’s now been largely forgotten by most. It was designed by Rod Trenne, the man behind the C5 Corvette, and some have called it the…