Supercruise

Some fighter jets are capable of supercruise but only at high altitudes and in a clean configuration, so the term may imply "a significant increase in effective combat speed with a full weapons load over existing types".

Due to its long service as a commercial airliner, Concorde holds the record for the most time spent supersonic; more than all other western aircraft combined.

On 3 August 1954, a Gerfaut research aircraft powered by an SNECMA Atar 101D2A engine exceeded Mach 1 in level flight without using afterburning.

[7] During development testing at English Electric it was established that the Lightning had a stabilized speed capability in level flight, without afterburning, of about Mach 1.2 and for the T.4 (2-seat trainer) 1.08.

[11] The United States Air Force set supercruise as a core requirement for the Advanced Tactical Fighter program,[12] which resulted in the F-22 Raptor.

[13][2] Supercruise capability provides advantages for stealth aircraft because an afterburner plume reflects radar signals and creates a significant infrared signature.

The English Electric Lightning was one of the first aircraft to exceed the speed of sound in level flight without using afterburning.
Concorde routinely supercruised most of the way over the Atlantic , enabling it to travel from London and Paris to New York in just over three hours, a record which has yet to be surpassed by any other commercial aircraft.
Qualitative variation in Cd factor ( drag coefficient ) with Mach number (speed) for aircraft; supercruising above Mach 2 is efficient.
The IAI Super Phantom 2000 is one of the first examples of supercruise capable aircraft.
The F-22 Raptor is capable of supercruise above Mach 1.5 (but is seen here with afterburners).
The Dassault Rafale is capable of supercruising with four missiles and a belly drop tank. [ 15 ]
The Eurofighter Typhoon is capable of supercruise at Mach 1.5. [ 16 ]