How Ancient Greek mathematician Eratosthenes calculated the Earth’s circumference (VIDEO)
The idea that Earth is a sphere was first introduced by another ancient Greek mathematician, Pythagoras, around 500 BC and validated by Aristotle about 200 years later
Russia has an anti-tank missile that could devastate NATO tanks (VIDEO)
The AT-14 Kornet was acquired in large numbers by Greece & Turkey
Hellenic F-16: From 1989 to today – The Greek Vipers! PART ONE (PHOTOS)
A detailed history of the most advanced fighter jet in the Hellenic Air Force fleet
