The radar seeker has also probably been upgraded.
A Hound Dog with this radar seeker was test-flown in 1973, but never mass-produced.
The missile, a radar seeker, exploded harmlessly half a mile behind him, but his Sidewinder didn't miss.
Firing trials started in 1986, using a semi-active radar seeker.
Such simple circuits control many types of missile - radar seekers and heat seekers, for example.
It will use a nose-mounted millimetric-wave active radar seeker.
Instead, on coming back to a clear sky, the radar seeker merely looked for another target.
These three seekers are interchangeable with the original radar seeker, and can be fitted at naval bases rather than the factory.
An alternative active radar seeker was proposed for anti-shipping use.
Once the missile closes to self-homing distance, it turns on its active radar seeker and searches for the target aircraft.