16–17 May 1943: Nineteen modified Avro Lancaster B.III Special long-range heavy bombers of No. 617 Squadron, Royal Air Force, carried out Operation Chastise, a low-level night attack against four hydroelectric dams in the Ruhr Valley.
The purpose of the attack was to disrupt German steel production. It was estimated that 8 tons of water were required to produce 1 ton of steel. Breaching the dams would reduce the available water and hydroelectric power, disrupt transportation of materials on the rivers, and flood iron ore and coal mines and power plants. If the dams were destroyed, it was believed that the effects would be the same as attacks against 26 categories of industrial targets further down the Ruhr Valley.
Led by 24-year-old Wing Commander Guy Penrose Gibson, D.S.O. and Bar, D.F.C. and Bar, a veteran of 172 combat missions, the aircrews of No. 617 Squadron dropped a spinning cylindrical bomb, code-named “Upkeep,” from a height of just 60 feet (18.3 meters) over the reservoirs behind the dams, while flying at precisely 240 miles per hour (386.2 kilometers per hour).
The 9,250-pound (4,195.8 kilogram) Vickers Type 464 bomb was designed to skip along the surface and to strike the dam, and then sink to the bottom. There, a pressure detonator exploded the 6,600 pound (2,994 kilogram) Torpex charge directly against the wall with the water pressure directing the energy through the wall.
Nineteen Lancasters took off from RAF Scampton in Lincolnshire, England, beginning at 9:28 p.m. on the 16th, and flew across the North Sea at only 100 feet (30.5 meters) to avoid being detected by enemy radar. The bombers succeeded in destroying the Möhne and Eder dams and damaging the Sorpe. A fourth dam, the Ennepe, was attacked but not damaged. The last surviving bomber returned to base at 6:15 a.m. on the 17th.
Of the nineteen Lancasters launched, two were damaged and turned back before reaching the targets. Six were shot down and two more collided with power lines during the low-level night flight. Of 133 airmen participating in the attack, 53 were killed.
For his planning, training and execution of the raid, Wing Commander Gibson was awarded the Victoria Cross by King George VI. An additional 33 survivors were also decorated. 617 Squadron became known as “The Dambusters.” A book, The Dam Busters, was written about the raid by Paul Brickhill, who also wrote The Great Escape. A 1955 movie starred Richard Todd, O.B.E., as Wing Commander Gibson. There have been reports that a new movie is planned.
The Avro Lancaster B.III Special was a four-engine long range heavy bomber modified to carry the Type 464 bomb. It was operated by a crew of seven: Pilot, flight engineer, navigator, radio operator, bomb aimer, nose gunner and tail gunner. The “Lanc” was 69 feet, 6 inches (21.184 meters) long with a wingspan of 102 feet, 0 inches (31.090 meters) and overall height of 20 feet, 4 inches (6.198 meters), in 3-point position. The Lancaster’s wings had a total area of 1,300.0 square feet (120.8 square meters). Their angle of incidence was 4° and the outer wing panels had 7° dihedral. The span of the horizontal stabilizer was 33 feet, 0 inches (10.058 meters). The modified bomber had an empty weight of 35,240 pounds (15,984.6 kilograms and a maximum takeoff weight (MTOW) of 60,000 pounds (27,215.5 kilograms).
The first two modified Avro Lancaster B.III Specials assigned to No. 617 Squadron, RAF Scampton, April 1943. In the foreground is ED825/G, AJ T. (Royal Air Force)
The Lancaster B.III Special was powered by the Packard Motor Car Company’s license-built version of the Rolls-Royce Merlin 24, the Packard V-1650-1 Merlin 224. These were liquid-cooled, supercharged, 1,648.96-cubic-inch-displacement (27.022-liter) single overhead cam (SOHC) 60° V-12 engines with four valves per cylinder and a compression ratio of 6.0:1. The Merlin 224 used a two-speed, single-stage supercharger. 100/130-octane aviation gasoline was required. The engine had a Normal Power rating of 1,080 horsepower at 2,650 r.p.m. and 9,500 feet (2,896 meters); Military Power, 1,240 horsepower at 3,000 r.p.m. at 11,000 feet (3,353 meters); and 1,300 horsepower at 3,000 horsepower with 54.3 inches of manifold pressure (1.84 Bar) for Takeoff. The Merlins drove three-bladed de Havilland Hydromatic quick-feathering, constant-speed propellers which had a diameter of 13 feet (3.962 meters). The propeller gear reduction ratio was 0.477:1. The V-1650-1 was 6 feet, 7.7 inches (2.024 meters) long, 2 feet, 6.0 inches (0.762 meters) wide and 3 feet, 6.6 inches (1.082 meters) high. It weighed 1,512 pounds (685.8 kilograms).
These engines gave the Lancaster a cruising speed of 200 miles per hour (321.9 kilometers per hour) and maximum speed of 272 miles per hour (437.7 kilometers per hour). The service ceiling was 24,700 feet (7,528.6 meters) and maximum range was 2,530 miles (4,071.6 kilometers).
Defensive armament for a standard Lancaster consisted of eight air-cooled Browning .303-caliber Mark II machine guns in three power turrets, nose, dorsal and tail. The Lancasters assigned to Operation Chastise had the dorsal turret deleted to reduce weight and aerodynamic drag. The gunner normally operating that turret was moved to the front turret, relieving the bomb aimer to deal with the operation of the specialized mission equipment.
7,377 Avro Lancasters were built. Only two remain in airworthy condition.
Battle of Britain Memorial Flight Vickers-Armstrongs Ltd.-built Lancaster B.I, PA474, escorted by a Hawker Hurricane IIc, LF363. (Royal Air Force)Victory Aircraft Ltd.-built Avro Lancaster B Mk.X FM213, marked as KB726, VR A.
Highly Recommended: The Dam Busters, by Paul Brickhill. Evans Brothers, London, 1951
16 May 1929: In a ceremony at the Hotel Roosevelt in Hollywood, California, U.S.A., “Wings,” a Paramount Pictures silent motion picture released in 1927 and directed by William A. Wellman, won the first Academy Award for Best Picture. It also won an award for Best Engineering Effects.
The silent movie about combat pilots of World War I, was filmed on location at Kelly Field, Texas, at a cost of $2,000.000. More than 300 pilots were involved, and 3,500 extras in the land battle scenes.
The leading actors in the film were Clara Bow, Charles (“Buddy”) Rogers, Richard Arlen and Gary Cooper.
Buddy Rogers, Richard Arlen and Gary Cooper in “Wings,” 1927. (Paramount Pictures)
William A. Wellman, the film’s director, was himself a combat pilot during World War I, credited with three “kills” and five probables (perhaps as many as 8 enemy aircraft destroyed). He was awarded the Croix de Guerre with two palms.
Jacqueline Auriol steps off the Dassault Aviation Mystère-Falcon 20.
15 May 1965: At Istres, France, Mme Jacqueline Marie-Thérèse Suzanne Douet Auriol set a Fédération Aéronautique Internationale (FAI) World Record for Speed Over a Closed Circuit of 2 000 Kilometers Without Payload.¹
The prototype Dassault Aviation Mystère-Falcon 20, F-WLKB.(Dassault Aviation)
She was flying the prototype Dassault Aviation Mystère-Falcon 20, F-WLKB, powered by two General Electric CF-700 turbofan engines.
Major Charles Seymour Kettles, commanding 176th Aviation Company (Airmobile), Duc Pho, Republic of Vietnam, 15 May 1967. (U.S. Army)
MAJOR CHARLES SEYMOUR KETTLES
FIELD ARTILLERY, UNITED STATES ARMY
CITATION: The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to Major (Field Artillery) Charles S. Kettles (ASN: 0-1938018), United States Army, for acts of gallantry and intrepidity above and beyond the call of duty while serving with the 176th Aviation Company (Airmobile) (Light), 14th Combat Aviation Battalion, Americal Division. On 15 May 1967, Major Kettles, upon learning that an airborne infantry unit had suffered casualties during an intense firefight with the enemy, immediately volunteered to lead a flight of six UH-1D helicopters to carry reinforcements to the embattled force and to evacuate wounded personnel. Enemy small arms, automatic weapons, and mortar fire raked the landing zone, inflicting heavy damage to the helicopters; however, Major Kettles refused to depart until all helicopters were loaded to capacity. He then returned to the battlefield, with full knowledge of the intense enemy fire awaiting his arrival, to bring more reinforcements, landing in the midst of enemy mortar and automatic weapons fire that seriously wounded his gunner and severely damaged his aircraft. Upon departing, Major Kettles was advised by another helicopter crew that he had fuel streaming out of his aircraft. Despite the risk posed by the leaking fuel, he nursed the damaged aircraft back to base. Later that day, the Infantry Battalion Commander requested immediate, emergency extraction of the remaining 40 troops, including four members of Major Kettles’ unit who were stranded when their helicopter was destroyed by enemy fire. With only one flyable UH-1 helicopter remaining, Major Kettles volunteered to return to the deadly landing zone for a third time, leading a flight of six evacuation helicopters, five of which were from the 161st Aviation Company. During the extraction, Major Kettles was informed by the last helicopter that all personnel were onboard, and departed the landing zone accordingly. Army gunships supporting the evacuation also departed the area. Once airborne, Major Kettles was advised that eight troops had been unable to reach the evacuation helicopters due to the intense enemy fire. With complete disregard for his own safety, Major Kettles passed the lead to another helicopter and returned to the landing zone to rescue the remaining troops. Without gunship, artillery, or tactical aircraft support, the enemy concentrated all firepower on his lone aircraft, which was immediately damaged by a mortar round that shattered both front windshields and the chin bubble and was further raked by small arms and machine gun fire. Despite the intense enemy fire, Major Kettles maintained control of the aircraft and situation, allowing time for the remaining eight soldiers to board the aircraft. In spite of the severe damage to his helicopter, Major Kettles once more skillfully guided his heavily damaged aircraft to safety. Without his courageous actions and superior flying skills, the last group of soldiers and his crew would never have made it off the battlefield. Major Kettles’ selfless acts of repeated valor and determination are in keeping with the highest traditions of military service and reflect great credit upon himself and the United States Army.
Barack Obama, 44th President of the United States of America, presents the Medal of Honor to Lieutenant Colonel Charles Seymore Kettles, United States Army (Retired), in a ceremony at The White House, 18 July 2016. (Library of Congress)
Charles Seymour Kettles was born at Ypsilanti, Michigan, 9 January 1930. He was the third of five sons of Albert Grant Kettles, an airplane pilot, and Cora Leah Stoble Kettles.
Kettles attended Edison Institute High School, Dearborn, Michigan, and then Michigan State Normal College (now, Eastern Michigan University) in Ypsilanti. While there, he learned to fly.
Charles Kettles was conscripted into the United States Army, 18 October 1951. He underwent basic training at Camp Breckinridge, near Morganfield, Kentucky. After graduating from Officer Candidate School, Fort Knox, Kentucky, 28 February 1953, Kettles was commissioned as a second lieutenant, Field Artillery, United States Army Reserve. He was next assigned to the Army Aviation School for flight training. Lieutenant Kettles served in Korea, Japan and Thailand.
Lieutenant Kettles was released from active duty in 1956 and returned to Ypsilanti. With his older brother, Richard, he formed Kettles Ford Sales, Inc., an automobile dealership. At the same time, he maintained his reserve commission, assigned to the 4th Battalion, 20th Field Artillery Regiment.
Kettles married Miss Anna Theresa Maida of Philadelphia on 25 August 1956. They would have six children. They divorced 21 September 1976 after twenty years.
In 1962, Kettles Ford was foreclosed, and its vehicle inventory returned to the manufacturer.
In 1963, Kettles requested to return to active duty with the U.S. Army. He was sent to Fort Wolters, Texas, in 1964, for transition training in helicopters. He then deployed to France. While in Europe, Kettles trained to fly the Bell UH-1D Iroquois, universally known as the “Huey.”
Returning from Europe in 1966, Captain Kettles assumed command of the 176th Aviation Company (Airmobile) at Fort Benning, Georgia. He was promoted to the rank of major, 27 February 1967. The unit then deployed to the Republic of Vietnam in support of the Americal Division. Kettles first tour “in country” was from February through August 1967.
Major Kettles’ personal Bell UH-1D Iroquois, 65-10045, was undergoing maintenance on 15 May 1967. (Charles S. Kettles Collection)
On 14 May 1967, the day prior to the Medal of Honor action, Major Kettles took part in the rescue of a six-man Long Range Reconnaissance Patrol which was surrounded by enemy soldiers, and was in the target zone for an imminent B-52 “Arc Light” strike. For his actions, he was awarded the Distinguished Flying Cross.
For his actions in Operation MALHEUR on 15 May 1967, Major Kettles was awarded the Distinguished Service Cross. The Medal was presented by Lieutenant General L. J. Lincoln, commanding Fourth United States Army, in a ceremony at Fort Sam Houston, San Antonio, Texas, in May 1968.
Lieutenant General L.J. Lincoln, Commanding Fourth United States Army, presents the Distinguished Service Cross to Major Charles S. Kettles, at Fort Sam Houston, Texas, May 1968. (U.S. Army)
In October 1969, Major Kettles returned to South Vietnam for a second 12-month combat tour, now commanding the 121st Aviation Company. Major Kettles was promoted to the rank of lieutenant colonel (temporary), 18 August 1970.
Major Charles S. Kettles, commanding the 121st Aviation Company, with a UH-1 Huey helicopter, 1 January 1969. (Department of Defense)Major Charles S. Kettles was promoted to the rank of lieutenant colonel, 18 August 1970. (U.S. Army)
Lieutenant Colonel Kettles married his second wife, Catherine (“Ann”) Cleary Heck. 14 March 1977.
Lieutenant Colonel Kettles retired from the United States Army in 1978. In addition to the Distinguished Service Cross and Distinguished Flying Cross, he had been awarded the Legion of Merit; the Bronze Star with one oak leaf cluster (two awards); and twenty-seven Air Medals.
Lieutenant Colonel Charles Seymour Kettles, Air Defense Artillery, United States Army.
He completed his college education which had been interrupted when he was drafted into the Army twenty-six years earlier, earning a Bachelor of Science degree in business management from Our Lady of the Lake University in San Antonio, and a Master of Science in Industrial Technology from Eastern Michigan University. He then taught Aviation Management at E.M.U.
Charles Kettles also worked for Chrysler Pentastar Aviation until he retired in 1993.
Beginning in 2012, efforts began to upgrade Colonel Kettles’ Distinguished Service Cross to the Medal of Honor. A bill, S.2250, was passed in the first session of the 114th Congress authorizing the award, which was also approved by Secretary of Defense Ashton Carter.
President Obama presents the Medal of Honor to Colonel Kettles. (U.S. Army)
In a ceremony held at The White House, 18 July 2016, the Medal of Honor was presented to Lieutenant Colonel Charles Seymour Kettles, United States Army (Retired), by Barrack Obama, 44th President of the United States of America.
Charles Seymour Kettles died in his home town of Ypsilanti, Michigan, 21 January 2019. He was buried at the Highland Cemetery.
A reconnaissance platoon of the 1st Air Cavalry Division exits a Bell UH-1D Iroquois at Du Pho, Republic of Vietnam, circa 1967. (Sgt 1st Class Howard C. Breedlove, United States Army)
The Bell Helicopter Co. UH-1D Iroquois (Model 205) was an improved variant the UH-1B (Model 204). The type’s initial military designation was HU-1, and this resulted in the helicopter being universally known as the “Huey.” The UH-1D has a larger passenger cabin, longer tail boom and increased main rotor diameter.
The UH-1D was a single main rotor/tail rotor medium helicopter powered by a turboshaft engine. It could be flown by a single pilot, but was commonly flown by two pilots in military service. The helicopter had an overall length of 57 feet, 0.67 inches (17.375 meters) with rotors turning. The fuselage was 41 feet, 5 inches (12.624 meters) long. The helicopter had a height of 13 feet, 7.4 inches (4.150 meters), measured to the top of the mast. The maximum gross weight of the UH-1D was 9,500 pounds (4,309.1 kilograms).
A U.S. Army Bell UH-1D Iroquois, Republic of Viet Nam, circa 1967
The two blade semi-rigid, under-slung main rotor had a diameter of 48 feet, 3.2 inches (14.712 meters), and turned counter clockwise when viewed from above. (The advancing blade is on the helicopter’s right.) At 100% NR, the main rotor turned 324 r.p.m. The two blade tail rotor assembly had a diameter of 8 feet, 6 inches (2.591 meters). It was on the left side of the pylon in a pusher configuration and turned counter-clockwise as seen from the helicopter’s left. (The advancing blade is above the axis of rotation.)
101st Airborne Division soldiers move away from the landing zone after being dropped off by a 176th Aviation Company (Airmobile) Bell UH-1D Iroquois helicopter during Operation Wheeler, 1967. (U.S. Army Heritage and Education Center, Vietnam War Photograph Collection)
The UH-1D was powered by a Lycoming T53-L-9 or -11 turboshaft engine which were rated at 1,100 shaft horsepower at 6,610 r.p.m., for takeoff (5 minute limit). The T53-L-11 was a two-shaft free turbine with a 6-stage compressor (5 axial-flow stages, 1 centrifugal-flow stage) and a 2-stage axial-flow turbine (1 high-pressure stage, and 1 low-pressure power turbine stage). As installed in the UH-1, the engine produced 115 pounds of jet thrust (511.55 Newtons) at Military Power.
Its maximum speed, VNE, was 124 knots (143 miles per hour, 230 kilometers per hour). With full fuel, 206.5 gallons (781.7 liters), the helicopter had a maximum endurance of three hours.
Many UH-1D helicopter were upgraded to the UH-1H standard.
A Bell UH-1D Iroquois, 65-09733, of the 176th Aviation Company (Airmobile) “Minutemen.” (U.S. Army Heritage and Education Center, Vietnam War Photograph Collection)
