20 August 1977: Voyager 2 was launched from Launch Complex 41 at the Kennedy Space Center, Cape Canaveral, Florida, aboard a Titan IIIE-Centaur launch vehicle. It was placed on an orbital trajectory that would take it on a journey throughout the Solar System and beyond.
Nearly two years later, 9 July 1979, Voyager 2 made its closest approach to Jupiter, passing within 350,000 miles (570,000 kilometers) of the planet. Many dramatic images as well as scientific data were transmitted back to Earth.
The probe continued outward to Saturn, Neptune and Uranus, continuously transmitting images and data. In 1990, the space probe passed beyond the limits of the Solar System.
Voyager 2 is now approaching interstellar space. It is still transiting the heliosheath, where “solar wind” is slowed by the pressure of interstellar gas. (10,706,654,718 miles, or 17,230,690,530 kilometers, from the Sun, as of 17:22:00 hours, PDT, 19 August 2017) and is still operating, 40 years after it was launched.
20 August 1975: The Viking 1 space probe was launched from Kennedy Space Center, Cape Canaveral, Florida, aboard a Titan IIIE/Centaur rocket. For the next ten months it traveled to Mars, the fourth planet of the Solar System. Once there, it was placed in orbit and began sending telemetry data back to Earth. A Viking Lander descended to the planet’s surface, landing at Chryse Planitia.
This was the first time that a spacecraft had landed on another planet. The orbiter continued to operate over the course of 1,485 orbits. As it ran low on fuel, mission controllers boosted it into a higher orbit to prevent it falling to the planet. Orbiter operations were terminated 17 August 1980. The lander operated for 6 years, 116 days, before the mission was terminated by a faulty transmission which resulted in a loss of contact, 11 November 1982.
19–20 August 1957: At 9:22 a.m., CDT (1422 UTC), 19 August 1957, Major David G. Simons, M.D., United States Air Force, lifted off aboard a helium-filled balloon at an open pit mine near Crosby, New Hampshire. This was the second flight of Project MANHIGH, MANHIGH II. This was a series of experiments to investigate the physiological effects of extreme high altitude flight. The balloon and its 1,648 pound (748 kilogram) gondola were deployed from the bottom of Portland Mine as protection from wind while it inflated.
After 2 hours, 18 minutes, Major Simon had reached 100,000 feet above the surface of the Earth. The peak altitude was a record-setting 101,516 feet (30,942 meters). While at altitude, Dr. Simon performed 25 aeromedical experiments.
32 hours, 10 minutes after lift off, at 5:32 p.m., CDT (2232 UTC), 20 August, the MANHIGH II gondola touched down 10 miles northwest of Frederick, South Dakota. Major Simons was awarded the Distinguished Flying Cross.
Prof. Dr. Dr. h.c. David G. Simons, M.D., Ph.D., Hon., was a world leading authority on chronic and myofascial pain. He died in 2010.
20 August 1955: Colonel Horace A. Hanes, United States Air Force, flew the first North American Aviation F-100C-1-NA Super Sabre, 53-1709, to Mach 1.246 at 40,000 feet (12,192 meters), setting a new Fédération Aéronautique Internationale (FAI) speed record of 1,323.312 kilometers per hour (822.268 miles per hour) over a measured 15/25-kilometer course at Edwards Air Force Base, California.¹
This was the first supersonic world speed record. It was also the first speed record set at high altitude. Previously, all speed records were set very close to the ground for measurement purposes, but with ever increasing speeds this practice was becoming too dangerous.
For his accomplishment, Colonel Hanes was awarded the Mackay Trophy.
After being used in Air Force testing at Edwards AFB, 53-1709 was transferred to the NASA High Speed Test Station, also at Edwards AFB. It was identified as NASA 703, and assigned civil registration N703NA. At some point its tail surfaces were upgraded to those of the F-100D series.
Today, the FAI record setting F-100C is displayed at the Castle Air Museum, marked as F-100D 55-2879.
Horace Albert Hanes was born at Fayette, Illinois, 1 March 1916, the first of two children of Albert Lee Hanes, a farmer, and Martha Elizabeth Jones Hanes. Hanes grew up in Bellflower, Illinois. He attended Normal Community High School at Normal, Illinois, graduating in 1933, and then Illinois State Normal University, also located in Normal. He participated in basketball and track and field. He graduated in 1938 with a bachelor of arts degree in education. He worked as a teacher and athletic coach.
Hanes married Miss Virginia Kumber, a school teacher, in Covington, Indiana, 9 October 1937. The ceremony was officiated by Rev. Lawrence P. Green.
Horace Hanes entered the U.S. Army Air Corps as an aviation cadet, 8 October 1938. He graduated from flight training 25 August 1939 and was commissioned as a second lieutenant, Air Reserve. Lieutenant Hanes was assigned to the 18th Pursuit Group at Wheeler Field, Oahu, Territory of Hawaii, which was equipped with Curtiss-Wright P-36 Hawk and P-40 Warhawk “pursuits.”
Hanes was commissioned as a second lieutenant, Air Corps, United States Army, 1 July 1940. While retaining his permanent rank of second lieutenant, Hanes advanced to the rank of first lieutenant, Army of the United States (A.U.S.), 10 October 1941. He returned to the United States and served with the Air Training Command.
Lieutenant Hanes was promoted to captain, A.U.S. (A.C.), 1 March 1942, and placed in command of a P-47 Thunderbolt squadron based in Florida, the 312th Fighter Squadron, 338 Fighter Group. On 26 November 1942, Hanes was promoted to the rank of major, A.U.S. On 1 July 1943, Hanes was promoted to the permanent rank of first lieutenant, Air Corps, United States Army. He retained this permanent rank until after the war.
Major Hanes was deployed to Europe in August 1943, commanding the 71st Fighter Squadron (Twin Engine), 1st Fighter Group, at Mateur Airfield, Tunisia. The 71st had been the first operational P-38 squadron. After flying 30 combat missions, Major Hanes’ P-38 went down over Yugoslavia in January 1944. For the next three months he evaded capture. Hanes returned to the United States in April 1944 and was assigned to command Punta Gorda Army Airfield, a fighter training base on the western coast of Florida.
Hanes was promoted to lieutenant colonel, A.U.S., 1 August 1944, and to colonel, A.U.S., 23 October 1945. In January 1946, Colonel Hanes assumed command of the 31st Fighter Group, which deployed to Giebelstadt Army Airfield in southwest Germany. The group operated P-51D Mustangs and the new Lockheed P-80B Shooting Star jet fighter. In 1947, Colonel Hanes took command of the 67th Tactical Reconnaissance Group at March Air Force Base, Riverside, California. The 67th was equipped with the Douglas RB-26 Invader and the Lockheed RF-80 Shooting Star.
From January to July 1949, Colonel Hanes attended the Armed Forces Staff College, and then was assigned as Chief of the Air Defense Division within the Directorate of Research and Development, Headquarters, U.S. Air Force. From July 1952 to June 1953, he attended the Air War College, Maxwell Air Force Base, Montgomery, Alabama, and then became Director of Flight Test at the Air Force Flight Test Center, Edwards Air Force Base. It was while at Edwards that Colonel Hanes set the world speed record. He remained at the AFFTC for four years.
Hanes took command of the 58th Fighter-Bomber Wing at Osan Air Base, Republic of South Korea, July 1957. The 58th flew the North American Aviation F-86F Sabre. He then spent three years in Japan as Deputy Chief of Staff, Operations, Fifth Air Force.
In July 1964, Brigadier General Hanes took command of the 9th Aerospace Defense Division at Ent Air Force Base, Colorado Springs, Colorado. On 24 September 1964, Hanes was promoted to the rank of major general, with his date of rank retroactive to 1 April 1960. After two years, Hanes returned to Europe as Assistant Chief of Staff, Operations, Supreme Headquarters, Allied Powers Europe.
Major General Hanes’ final assignment was as Vice Commander, Aerospace Defense Command. He retired from the United States Air Force in 1973.
During his military Career, Major General Horace Albert Hanes, United States Air Force, was awarded the Distinguished Service medal, the Silver Star, Legion of Merit with oak leaf cluster (two awards), the Air Medal with five oak leaf clusters (six awards), the Air Force Commendation medal and the Air Force Outstanding Unit Award ribbon.
Major General Hanes died at his home in Bloomington, Indiana, 3 December 2002. He was buried alongside his wife, Virginia (who died in 1996) at the United States Air Force Academy Cemetery, Colorado Springs, Colorado.
20 August 1947: At Muroc Dry Lake in the high desert of southern California, Commander Turner Foster Caldwell, Jr., United States Navy, flew the first of three Douglas D-558-I Skystreaks, Bu. No. 37970, to a Fédération Aéronautique Internationale (FAI) World Record for Speed Over a 3 Kilometer Straight Course.¹
Four passes were made over the course at an altitude of 200 feet (61 meters) or lower. Two runs were made in each direction to compensate for any head or tail winds. The official speed for a record attempt was the average of the two best consecutive passes out of the four.
Commander Caldwell’s average speed was 1,031.178 kilometers per hour (640.744 miles per hour). He was awarded his second Distinguished Flying Cross for this flight.
The D-558 Program was intended as a three-phase test program for the U.S. Navy and the National Advisory Committee on Aeronautics (NACA) to investigate transonic and supersonic flight using straight and swept wing aircraft powered by turbojet and/or rocket engines. The Douglas Aircraft Company designed and built three D-558-I Skystreaks and three D-558-II Skyrockets. The Phase I aircraft were flown by Douglas test pilot Gene May and Navy project officer, Commander Turner Caldwell.
The D-558-I Skystreak was a single-engine, turbojet-powered airplane. It was built of magnesium and aluminum for light weight, but was designed to withstand very high acceleration loads. It was 35 feet, 8 inches (10.871 meters) long with a wingspan of 25 feet (7.62 meters) and overall height of 12 feet, 1¾ inches (3.702 meters). The airplane had retractable tricycle landing gear. Its empty weight was approximately 7,500 pounds (3,400 kilograms), landing weight at the conclusion of a flight test was 7,711 pounds (3,498 kilograms). The maximum takeoff weight was 10,105 pounds (4,583.6 kilograms). The aircraft fuel load was 230 gallons (870.7 liters) of kerosene.
The D-558-I was powered by a single Allison J35-A-11 turbojet engine. The J35 was a single-spool, axial-flow turbojet with an 11-stage compressor section, 8 combustion chambers and single-stage turbine. The J35-A-11 was rated at 5,000 pounds of thrust (22.24 kilonewtons). The engine was 12 feet, 1.0 inches (3.683 meters) long, 3 feet, 4.0 inches (1.016 meters) in diameter and weighed 2,455 pounds (1,114 kilograms). The J35-A-11 was a production version of the General Electric TG-180, initially produced by Chevrolet as the J35-C-3. It was the first widely-used American jet engine.
The D-558-I had a designed service ceiling of 45,700 feet (13,930 meters). Intended for experimental flights of short duration, it had a very short range and took off and landed from the dry lake at Muroc. (After 1949, this would be known as Edwards Air Force Base.) The experimental airplane was not as fast as the more widely known Bell X-1 rocketplane, but rendered valuable research time in the high transonic range.
Gene May did reach Mach 1.0 in 37970, 29 September 1948, though he was in a 35° dive. This was the highest speed that had been reached up to that time by an airplane capable of taking off and landing under its own power.
The three D-558-I Skystreaks made a total of 229 flights and Bu. No. 37970 made 101 of them. After the Douglas test program was completed, -970 was turned over to NACA as NACA 140, but it was quickly grounded after the crash of the number two aircraft, and was used for spare parts for number three.
Today, 37970 is in the collection of the National Naval Aviation Museum at Naval Air Station Pensacola, Florida. The other surviving Skystreak, Bu. No. 37972, is at the Carolinas Aviation Museum, Charlotte-Douglas International Airport, Charlotte, North Carolina.
Turner Foster Caldwell, Jr., was born 17 November 1913 at Narbeth, Pennsylvania. He was the first of four children of Lieutenant Turner Foster Caldwell and Eleanor Polk Owings Caldwell. The senior Caldwell was a graduate of Yale University, New Haven, Connecticut, and was commissioned as an ensign, United States Navy, through the Reserve Officers Training Corps (R.O.T.C). Commander Caldwell was assigned to the U.S. Naval Academy, Annapolis, Maryland, 1 September 1930, and was promoted to the rank of captain, 1 October 1930. He retired from the Navy 1 August 1940.
Turner Foster Caldwell, Jr., entered the United States Naval Academy as a midshipman, 12 June 1931. He graduated and was commissioned an Ensign, United States Navy, 6 June 1935.
Ensign Caldwell was promoted to the rank of Lieutenant (Junior Grade), with date of rank 6 June 1938. He was assigned as a flight instructor at NAS Pensacola, Florida. On that same day, Lieutenant (j.g.) Caldwell married Miss Helen Adele Glidden of Coronado, California, at Yuma, Arizona. They would have four children.
By 1940, Lieutenant (j.g.) Caldwell was assigned to Scouting Squadron Five (VS-5). On 7 December 1941, VS-5 was aboard USS Yorktown (CV-5) at Norfolk Virginia.
Caldwell was promoted to Lieutenant, 1 January 1942. He was a Douglas SBD-3 Dauntless scout bomber bomber pilot with Scouting Squadron Five (VS-5) aboard U.S.S. Yorktown (CV-5) and commanded the squadron with its 18 SBD-3s aboard U.S.S. Enterprise (CV-6) during the occupation of Guadalcanal and the Battle of the Eastern Solomons.
Between March and September 1942 he was three times awarded the Navy Cross, the U.S. Navy’s second-highest award for valor after the Medal of Honor. He was promoted to lieutenant commander (temporary) 1 May 1943, and to commander, 1 March 1944. (He retained the permanent rank of lieutenant until after the war.)
Later he commanded a night fighter group of F6F Hellcats and TBM Avengers, CVLG(N)-41, assigned to USS Enterprise (CV(N)-6). For his actions during that period he was awarded his first Distinguished Flying Cross and the Legion of Merit.
After the war, Caldwell commanded Carrier Air Group 4 (CVG-4) aboard USS Franklin D. Roosevelt (CVB-42). He was promoted to the rank of captain, 1 July 1954. Captain Caldwell commanded the “long-hull” Essex-class aircraft carrier USS Ticonderoga (CVA-14), from 5 September 1959 to 24 August 1960.
Captain Caldwell was promoted to the rank of rear admiral, 1 April 1963. He rose to the rank of Vice Admiral, 1 November 1967, and served as Director of Anti-Submarine Warfare Plans. Admiral Caldwell retired from the Navy in May 1971. He died at Kilmarnock Hospital, Rappahannock, Virginia, 12 October 1991.