Okay I think I know the answer to this question but I want to ask anyway. Can a true IFF system be purchased from Collins or someone like that for installation into an aircraft? It's an ex-military aircraft and may be again.

I am a maintenance tech at a small but growing company that specializes in L-39s. I don't have my A&P yet becuse I specialize in avionics but I will have it as soon as my time is in. Anyway, since we are starting to get into more GA aircraft and we will be purchasing a small single engine airplane for our own use and training, I want to ...