The F-15 is in service by the United States Air Fore, Israel, Japan, Saudi-Arabia and South-Korea.
Israel uses 2 versions where of the second is a modernized version of the F-15 block 50. More info on Israeli fighter jets.

Technical
The F-15C uses a Doppler radar to detect Aircraft beneath and upper himself. When enemy aircraft comes close they will be automatically shown at the head-up display.

Electronics
The F-15C has: a head-up display, UHF communication, tactical navigation system, a tactical electronic warfare system, Identification Friend of Foe (IFF) system and a central digital computer.

Weapons
The F-15 can carry a various weapon arsenal like Sparrow, AIM-120 and Sidewinder air-to-air missiles. The control is mounted on the engine control stick so when the pilot change from weapon system the new information appears directly at his head-up display.

United States
The United States Air Force (USAF) are the largest user of the F-15C with some 396 fighter jets. The Air National Guard has 126. F-15C pilots, technicians and other ground crew are - on low scale - being trained for the new F-22A Raptor which will replace the F-15C up to a remaining feet of approximately 190 F-15C jets.

Difference with other fighter jets
Su-30
During the exercise Cope India 04 on the Indian AFB Gwalior, six American F-15C from Elmendorf AFB fought against Indian fighter jets. The Indian Su-30K's were better than de American F-15's.

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