NATO's E-3A Sentry fleet is approaching the end of its life. The MESA radar is a strong contender to replace the AN/APY-1/2 radars equipping these aircraft

A RAAF E-7A Wedgetail is in the foreground. The MESA radar is in the large T shaped housing on the aft dorsal fuselage

The RAF has chosen to procure the E-7A Wedgetail to supersede its AEW.1 Sentinels. Like the NATO aircraft, these are approaching retirement.

The interior of a French Air Force E-3F supporting NATO’s Operation Odyssey Dawn. E-3s from several nations were instrumental in helping the management of the air dimension of this operation

EL/W-2085 Conformal Airborne Early Warning radar, one of MESA's competitors, is mounted in the large fuselage on this IAF Gulfstream G-550.

Northrop Grumman's MESA radar is a prominent feature on the E-7A Wedgetail aircraft.

A RAAF E-7A Wedgetail airborne early warning and control aircraft after a mission during Red Flag 20-1 at Nellis Air Force Base, Nevada, Jan 30, 2020

Saab’s Erieye radar, seen here fitted to a Bombardier Global 6000 in the GlobalEye configuration, is another radar contender available in the international market