13 June 1944

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LNER's Grove Road railway bridge after the V-1 attack, 13 June 1944.
LNER’s Grove Road railway bridge after the V-1 attack, 13 June 1944. (The National Archives)
A LNER Class B-12/3 4-6-0 locomotive, 7488, pulls a passenger train across the rebuilt Grove Street bridge, 9:27 p.m., 14 June 1944. (Great Eastern Railway Society)
LNER Class B-12/3 standard gauge 4-6-0 locomotive, 7488, pulls a passenger train across the rebuilt Grove Street railway bridge, 9:27 p.m., 14 June 1944. (Great Eastern Railway Society)

13 June 1944: At approximately 4:30 a.m., the first V-1 flying bomb struck London. The “buzz bomb” detonated on a London and North Eastern Railway bridge crossing over Grove Street, between Devonshire Street and Osborne Road in Bethnal Green. Six persons were killed by the explosion, and twenty-six others were injured.

Twelve homes were demolished and at least fifty others badly damaged.

The bridge was along an important railway route. It was heavily damaged and the LNER decided to replace it rather than undertake any repairs. The new bridge was in service by 7:45 p.m., that evening.

“Detail from a Bomb Census map. The Grove Road V1 bomb is the lower of the two shown here. Catalogue reference: HO 193/50, map sheet 56/20 SE (A).” (The National Archives)

A Mr. Dowe witnessed the attack from the Bethnal Green Town Hall. He said, “When warning went I saw my wife and family into the shelter and then stood at the entrance to watch events. I heard a plane in the distance, then gunfire and then the sound of the plane as if diving. There was an orange flash, followed by a terrific explosion. There were no sounds of bombs falling as in the blitz, only only that of the plane zooming.”

Three other “P.A.C.s” (Pilotless Aircraft) ¹ fell in Kent and Sussex with little effect.

V1 vor dem Start Aus guter Deckung wird "V1" an die Abschußstelle gerollt. Der Start erfolgt durch eine Pressluftanlage. Mit Hilfe eines Fernlenkverfahrens trifft die "V1" das befohlene Ziel. Die gleichbleibend hohe Geschwindigkeit, die von keinem Feindjäger erreicht wird, erhält "V1" von einem Raketenantrieb. Diese erste deutsche Vergeltungswaffe ist eine hervorragende Schöpfung unserer Luftrüstung. Foto: PK-Lysiak/Transocean-Europapress
A V-1 flying bomb is brought out of a protective bunker for launching. Foto: PK-Lysiak/Transocean-Europapress

The Fieseler Fi 103 (better known as the Vergeltungswaffe 1 (“retaliation weapon”), or simply, the V-1, was what would today be considered a cruise missile. It was designed and built by the Gerhard Fieseler Werke GmbH. Construction of the missiles was very simple and it was mass produced at a rate of about 8,000 per month.

The V-1 is an unmanned mid-wing monoplane, constructed of a welded steel fuselage with straight wings which were covered by sheet steel. A pulse jet engine was mounted above the fuselage. The “flying bomb” was 8.325 meters (27 feet, 3¾ inches) long with a wingspan of 5.370 meters (17 feet, 7½ inches). The wing used a symmetrical airfoil with no sweep, dihedral or twist. There are no ailerons. Steel barrage balloon cable cutters were installed in the wings’ leading edges. The aircraft had a total weight of 2,160 kilograms (4,762 pounds).

Powered by an Argus Motoren Werke GmbH As 014 pulse jet engine which produced a maximum thrust of 3,530 newtons (794 pounds of thrust) at 750 kilometers per hour (460 miles per hour) at Sea Level. The pulse jet engine had no moving parts and fired 45–50 times per second. It burned low-octane gasoline with compressed air.

The V-1 was controlled in flight through pneumatic servos connected to a gyroscopic automatic pilot built by Askania Werke AG. A magnetic compass in the nose could be set to direct the V-1 in a particular direction. Air driven vanes at the nose drove an air log, which kept track of the distance flown by means of a turn counter. At a preselected count, the device shut down the pulse jet engine and the flying bomb entered a steep dive and crashed into the ground and the warhead detonated. The V-1 was only accurate enough to land in a general geographic area.

The aircraft had a maximum speed of 600 kilometers per hour (373 miles per hour) at 2,500 meters (8,200 feet). The maximum range was 235 kilometers (146 miles).

The warhead contained 830 kilograms (1,830 pounds) of Amatol 3 gm (a mixture of the high explosive TNT with ammonium nitrate). The warhead could be detonated by any one of three fuses: an electrical impact fuse, a mechanical impact fuse, or a mechanical delayed action fuse.

V1_Flying_Bomb_C4431
This illustration from an official report is dated 16 June 1944, just three days after the first V-1 attack on London. © IWM (C 4431)

The V-1 was usually launched from an inclined ramp by catapult, though it could also be air launched from a carrier airplane.

Between 13 June 1944 and 29 March 1945, approximately 10,500 V-1s were launched against England. In the area around London, 6,184 people were killed and 17,981 others seriously injured. The V-1 was also targeted against cities on the European continent, especially Antwerp. 8,696 V-1s were launched against that city, and 3,141 fired at Liège. These attacks killed 4,683 persons and wounded 10,075.

¹ “Flying bomb” replaced Pilotless Aircraft as the preferred term in a Cabinet meeting, 19 June 1944.

© 2018, Bryan R. Swopes

13 June 1943

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USAAF Boeing B-17F Flying Fortress with left outboard engine on fire and right wing shot off, out of control and going down over Europe, World War II. (U.S. Air Force)

13 June 1943: On Mission Number 63, 76 VIII Bomber Command Boeing B-17F Flying Fortress four-engine heavy bombers of the 4th Bombardment Wing were sent to attack the U-boat pens at Kiel, Germany.

An Allied merchant convoy formed up to cross the Atlantic Ocean, 1942. (Naval Supply Corps Newsletter/Library of Congress)

German submarine attacks on transatlantic convoys were a major threat to the Allies. England was dependent on North America for food, fuel, munitions and weapons. Destruction of the submarine bases and repair facilities was therefore a very high priority for VIII Bomber Command. These were often very heavily reinforced concrete bunkers where submarines could be serviced and repaired, safe from air attack.

The “Kilian” base at Kiel was for the protection of up to 12 newly-built U-boats. Each bay was 138 meters (453 feet) long and could house two submarines, end-to-end. The roof was 4.8 meters (15 feet, 9 inches) of reinforced concrete, and the walls were 3.3 meters (10 feet, 10 inches) thick.

U-Boot Typ VII C im Bunkerdock. (L.-G. Buchheim © Buchheim Stiftung)

60 bombers made it to the target but were met with the heaviest fighter attacks to that point of the war. 22 B-17s were shot down. Of those that returned to England, 24 were damaged, 1 so badly that it was beyond repair.

3 airmen were killed, 20 wounded and 213 were listed as Missing In Action.

Before the war, it was thought that the defensive machine guns of the Flying Fortress would be able to protect it against enemy fighters, but losses like those suffered in this raid proved the necessity for escorting fighters to defend the bomber formations.

NOTE: A very detailed analysis of this mission, “USAAF Mission : Bremen and Keil” by Andreas Zapf can be found at

http://www.andreaszapf.de/blog-chronicles-media/USAAF-Mission-63-Bremen-and-Kiel.pdf 

U-boat pen
U-boat pen

© 2018, Bryan R. Swopes

13 June 1937, Late

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Amelia Earhart’s Lockheed Electra 10E Special, NR16020, in Africa. (Purdue University Libraries, Archives and Special Collections)

13 June 1937: Leg 16. After refueling the Lockheed Electra 10E Special at Khartoum, Anglo-Egyptian Sudan, Amelia Earhart and Fred Noonan continue on to Massawa, Eritrea, 459 miles (739 kilometers) further on.

Exactly two hundred miles out we crossed at right angles at Athara River which flows northward into the Nile. Thence the low desert roughened and rose, first into sloping sandy foothills, then mountains where green vegetation, almost the first we had seen in Africa, began to appear below us. Well into Eretrea we flew over the headwaters of a second considerable river, the Khor Baruka, which drains this highland region northward into the Red Sea. Heated air blasted up from the mountain slopes, buffering the ship unkindly. Even above 10,000 feet it was rough going. . . Massawa admits to being one of the hottest cities in the world. In the summer the thermometer often hits 120 degrees in the shade. . . On the evening of our arrival the thermometer registered 100 degrees, but that night it became comparatively cool. . . It had been a long day, what with the landmarkless desert flying, the stop at Khartoum, the rough going over the mountains the long trip down, and there was fair reason for a pilot to feel famished. (As usual I had forgotten to eat.) “Are you hungry?” an English-speaking officer asked me. “As hollow as a bamboo horse.”

—Amelia Earhart

Great Circle route from Khartoum, Sudan, to Massawa, Eritrea, 395 nautical miles (454 statute miles/731 kilometers) Great Circle Mapper)

© 2019, Bryan R. Swopes

13 June 1937, Early

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Amelia Earhart’s Lockheed Electra 10E Special, NR16020, at Khartoum, Anglo-Egyptian Sudan, 13 June 1937. (Purdue University Libraries, Archives and Special Collections)

13 June 1937: Leg 15, El Fasher (Al-Fashir) to Khartoum, Anglo-Egyptian Sudan, 437 nautical miles (503 statute miles/809 kilometers).

“East of El Fasher our route crossed a cartographical blank space as large as an outstretched hand with not a contour line on it or a river or the name even of a ‘village of the sixth grade’. . . The first half is utterly flat, arid, uninhabited, and lacks landmarks altogether. . . Two hours in Khartoum! So . . . we refueled and paid our respects to the cordial British officials whose language sounded so very pleasant to our ears. That done, and our bill for 3 pounds 22s. landing fee settled, we were on our way again. . . .”

—Amelia Earhart

Great Circle route from El Fasher to Khartoum, Anglo-Egyptian Sudan, 437 nautical miles (503 statute miles/809 kilometers). (Great Circle Mapper)

© 2019, Bryan R. Swopes

12 June 1994

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Boeing test pilots John E. Cashman and Kenny Higgins with WA001 at Paine Field. (Boeing)
Boeing test pilots John E. Cashman and Kenny Higgins with WA001 at Paine Field. (Boeing)

12 June 1994: At 11:45 a.m., Boeing test pilots John E. Cashman and Kenny Higgins took the first Boeing 777-200 airliner, line number WA001, FAA registration N7771, on its first flight. Before taking off from Paine Field, Boeing’s president, Phil Condit, told Cashman, “Good luck, John. And no rolls!”, referring to the famous incident when Alvin M. “Tex” Johnston rolled the Model 367–80 prototype of the 707 airliner over Lake Washington, 6 August 1955.

The 777’s first test flight lasted 3 hours, 48 minutes. This was the longest first flight of any of Boeing’s airliners. It reached a maximum altitude of 19,000 feet (5,791 meters) and accomplished all tests on the flight plan, including shutting down and restarting an engine in flight.

Boeing 777-200 N7771, line number WA001, on its first flight, 12 June 1994. The chase plane is a Northrop T-38A Talon. (AP)
Boeing 777-200 N7771, line number WA001, on its first flight, 12 June 1994. The chase plane is a Northrop T-38A Talon. (AP)

The Boeing 777-200 is operated by two pilots and, depending on its configuration can carry 314 to 440 passengers. It is 209 feet, 1 inch (63.729 meters) long with a wingspan of 199 feet, 11 inches (60.935 meters) and overall height of 60 feet, 9 inches (18.517 meters). The fuselage has a diameter of 20 feet, 4 inches (6.198 meters). The airliner has an empty weight of 297,300 pounds (134,853 kilograms) and maximum takeoff weight of 545,000 pounds (247,208 kilograms).

WA001 was originally powered by two Pratt & Whitney PW4074 two-spool high-bypass-ratio turbofan engines which produce 77,000 pounds of thrust, each. Production airliners were equipped with PW4077 engines with the same thrust. General Electric and Rolls-Royce turbofans could also be ordered.

Boeing 777s have a cruise speed of 0.84 Mach (560 miles per hour, 901 kilometers per hour) and maximum speed of 0.89 Mach (590 miles per hour, 950 kilometers per hour). The service ceiling is 43,100 feet (13,137 meters). The 777-200 has a maximum range of 6,027 miles (9,700 kilometers) with maximum payload aboard.

Boeing 777 WA001, N7771. (Boeing)
Boeing 777 WA001, N7771. (Boeing)

The 777 series was the most comprehensively tested airplane in history. Nine aircraft were used in the test program. WA001 was in testing until April 1997, by which time it had accumulated 1,729 flight hours and another 1,033 hours of ground testing.

Purchased by Cathay Pacific, the first “Triple Seven” was completely refurbished and equipped for passenger service, configured as a 777-267. The engines were replaced by two Rolls-Royce RB211 Trent 884B-17 high-bypass turbofan engines. These engines are rated at 85,430 pounds of thrust for takeoff (5 minutes limit). Because of their lighter weight, the empty weight of the airliner was reduced approximately 7,500 pounds (3,400 kilograms). The airliner was rolled out of the factory for the second time 31 October 2000, and was delivered to the Cathay Pacific on 6 December, registered B-HNL. WA001 was retired 1 June 2018 and placed in storage at Xiamen Gaoqi International Airport (XMN), Xiamen, Fujian Province, People’s Republic of China. The first Triple-Seven is currently on display at the Pima Air and Space Museum, Tucson, Arizona.

Cathay Pacific's Boeing 777-267, Bankok, Thailand, 1 January 2014. (Teeawut Wongdee)
Cathay Pacific’s Boeing 777-267, B-HNL, landing at Bankok, Thailand, 1 January 2014. (Teerawut Wongdee)

The 777 was produced in the 777-200 configuration, followed the 777-200ER (“extended range”) and 777-200LR (“longer range”) variants, a longer 777-300ER and a 777F freighter. A tanker version has been proposed. Eighty-eight 777-200 airliners were built before production halted in favor of the -200ER and -200LR models.

As of April 2023, 1,706 Boeing 777s of all models have been delivered. At that time, there were 6 777-300ER, 77 777F freighters, and 353 777Xs on order.

Boeing 777 final assembly line. (archive.com)
Boeing 777 final assembly line. (archive.com)

© 2020, Bryan R. Swopes