In terms of technology: United States > Russia > People's Republic of China
Notes:
1) Israel, Japan, and South Korea largely purchase or receive aircraft technology from the United States.
2) United Kingdom, Canada, Australia, Italy, Netherlands, Denmark, Norway, Turkey, and Republic of China (Taiwan), largely purchase military aircrafts from the United States.
2) France largely ceased military aircraft research and expansion.
3) India largely purchases military aircrafts and less sophisticated aircraft technology from Russia.
4) Technology is measured by stealth fighter and bomber capability.
The U.S.
The US Empire and its Imperialistic Military policy.
The United States Army.
Pakistani army Nope Marine Core!
Luck and willpower.
The US Army is one of the most powerful military forces in the world. It has a large budget, advanced technology, and a highly trained and disciplined personnel. It has the ability to conduct operations across various domains and has a significant influence on global security.
United States Military
The Commander in Chief, also known as the President, is the most powerful person in the military.
The US has the world's most powerful military. USA wins.
we are winning, we only have a quarter of our military in Iraq. we are the richest and most powerful in the world. beat that japan.
In the 21st century, the US military is the most powerful in the world.
The Roman military was the most powerful force the world had seen (up to its time). It stood out from the other contemporary fighting forces because of its superior training, equipment, and speed/ease of movement.