In the 20th century, the history of the space program was often summed up with the short phrase: “Soviet space.” This phrase conveniently omits details – cities, institutes, and engineers. And above all, it omits the people without whom this history might never have happened.
Ukrainian engineers, designers, and cosmonauts played a key role in shaping the space age: from the first theoretical ideas to the launch of satellites and human flights into orbit. For decades, these stories remained on the periphery of the official narrative. But if you look closely at the origins of the space race, Ukraine appears there again and again – in formulas, in drawings, and even in the flight itself.
Ideas ahead of the times
At the beginning of the 20th century, space programs did not yet exist. There were no rockets, launch pads, or spaceports. But there were already people who tried to imagine how humanity would one day leave Earth.
One of them was Yuri Kondratyuk, a self-taught engineer from Poltava, whose real name was Oleksandr Sharhei. Due to persecution and fear of repression, he lived under a false name, but his ideas proved to be much more enduring than any political circumstances.
Kondratyuk formulated the basic principles of rocket motion, described a multistage rocket scheme, and pondered the use of gravitational fields of celestial bodies, solar energy, and interplanetary stations.
The most famous was the so-called “Lunar orbit rendezvous” – an energy-efficient flight path to the Moon. Half a century before the Apollo mission, he proposed an idea that seems obvious today: the spacecraft remains in orbit, and a separate landing module descends to the surface, which, after completing its mission, docks with the main spacecraft.
This is exactly how the American lunar mission worked in 1969. Whether NASA engineers used Kondratyuk’s calculations directly is a question that is still being debated. Learn more about this story in our separate YouTube video, where we explore this theory.
But space does not start with ideas alone. It starts with rockets.
The person who paved the way into space
For a long time, Serhii Korolov’s name was not mentioned publicly. He was simply referred to as “Chief Designer.”
Korolov was born in Zhytomyr, studied at the Kyiv Polytechnic Institute, and explicitly stated his nationality as Ukrainian in official documents. It was here that the foundations of his engineering thinking were formed.
In the 1930s, he began working on rocket technology, but instead of a scientific career, he faced repression: arrest, camps, and hard labor. After World War II, he was entrusted with creating the Soviet space program.
The first major project was the R-7 Semyorka intercontinental ballistic missile. Its key idea was a cluster design: a central block and four side boosters working together at launch. For its time, this seemed extremely bold.
It was the R-7 Semyorka that became the missile that changed history. Initially, it was designed as a military system for delivering nuclear weapons. But when it became clear that the rocket was capable of launching large masses into orbit, a new opportunity arose.
In 1957, this same missile launched the first artificial Earth satellite into orbit. A small metal sphere with antennas transmitted the famous “beep-beep” signal into space, signaling to the world that humanity had entered the space age.
It was the launch of Sputnik-1 that marked the beginning of the space race, which ultimately led to Gagarin’s flight and the Moon landing.
But rockets cannot fly without engines.
Hearts of rockets
Valentyn Hlushko was born in Odessa and began working on liquid rocket engines in the 1920s – a topic that seemed almost fantastical at the time.
In the 1930s and 1940s, he systematically solved the main problem of rocket engineering: how to burn fuel steadily, create controllable thrust, and prevent the engine from breaking down within seconds of operation. Combustion chambers, nozzles, and cooling systems – he brought all of this to the level of industrial technology.
Like many other engineers of that time, Hlushko was arrested and worked in the so-called “sharashkas.” It was there that the engines were developed that later became the basis for Soviet rockets.
Hlushko’s engines launched the first satellite into orbit in 1957 and enabled the first human flight into space in 1961.
Later, he created one of the most powerful rocket systems of his time – the Energia super-heavy lift launch vehicle with RD-170 engines.
The engineering principles he formulated – high thrust, stability, and serial production – became the basis of the classic rocket school of the 20th century.
Ukrainian in space
When people talk about the first human flights into space, they usually mention only Yuri Gagarin. But a year later, the first Ukrainian went into orbit.
Pavlo Popovych was born in the town of Uzyn in the Kyiv region. A fighter pilot and graduate of a technical college, he became one of the first generation of cosmonauts.
In August 1962, Popovych flew aboard the Vostok-4 spacecraft. This mission was historic: for the first time, two manned spacecraft were simultaneously in Earth orbit.
It was precisely these flights that paved the way for future spacecraft dockings and the creation of orbital stations.
There is a lesser-known detail about this mission. During the flight, Popovych sang a Ukrainian song – the first time the Ukrainian language was heard in space.
Space Factory
A huge part of the Soviet rocket industry was concentrated in Dnipro city.
It was here, at the machine-building plant, that a design office was established, known today as the Pivdenne Design Office.
Dnipro quickly became one of the world’s leading centers for rocket construction. Rockets were designed and assembled here, shaping both Cold War military strategy and the development of space launches.
Among them are the R-12 and R-36M rockets, Zenit launch vehicles, as well as the Cyclone and Dnepr rockets, which launched hundreds of satellites into orbit.
In 1991, Ukraine gained independence – and with it one of the most powerful space legacies in the world: factories, design bureaus, engineers, and launch experience.
Space, which had an address
The history of the space age is often presented as the history of states and systems. But in reality, it consists of specific people, cities, and decisions.
Kondratyuk’s ideas, Korolov’s rockets, Hlushko’s engines, Popovych’s flights, and the factories of Dnipro are all parts of one great story that has long existed under the generalized name “Soviet space.”
In reality, this space had specific addresses. And many of them were located in Ukraine.
Perhaps, apart from Kondratyuk, Korolov, Hlushko, and Popovych, there are other Ukrainians who have made important contributions to the development of cosmonautics? Write about them in the comments – the author of the most reasoned answer will receive a copy of Universe Space Tech magazine as a gift.
For more information about the role of Ukrainians in space history, please watch our YouTube video, where we explore this topic in detail and demonstrate how Ukrainian engineering schools influenced the space breakthrough of the 20th century.
Because the history of space is not just the history of flights. It is the history of people who dared to change the trajectory of humanity.
