> Microwaves transmit on a frequency nowhere near missile systems S band is used for target acquisition a whole lot. > and are not modulated in any way resemb

> Microwaves transmit on a frequency nowhere near missile systems S band is used for target acquisition a whole lot. > and are not modulated in any way resembling a missile fire control system Yup, but when you're deciding whether or not to launch a HARM it's better safe than sorry. In turn, asymmetries accrue. Indeed, you can't really afford to ignore the microwave oven S-band emitter, because you could use even a literal microwave oven for illumination with passive radar techniques for target acquisition pretty well.