Rf

If battalion staff were involved, we generally called the insertion an RF, Romeo Foxtrot, or Rat Fuck.

Thinking they actually were supporting the demonstrators, I went up to them and asked why. “No, we're not supporting them. This is just an RF (short for “Rat Fuck”). We're keeping the money," they told me, laughing.

In our basis, we drove four selective radio frequency (rf) transitions between all four eigenstates