The AF does have something equivalent to a TACP...it is called an ALO (not the ALO for the AFA). How do you become one...you need to be a flyer, You are in charge of them and it is not something that guys willing apply for...typically you do it to xtrain into another jet. Bullet was an ALO with the 82nd AB and jumped out of perfectly good airplanes. You need the flying experience to direct the pilots that will be coming in for the air strike.
They are not anything like the Seals or Rangers you are confusing them with PJs. Also you don't want to go that route b/c the old adage out of sight out of mind comes true. You will be working directly with the Army and your squadron/det will be on an Army base, which means no direct contact with the AF heirarchy, making promotions harder to come by. They are always the redheaded cousins, not fitting in with the Army b/c they make a million plus flight pay
, and not fitting in with the AF because they work with the Army. Finally, jumping out of perfectly good airplanes brings the risk that you will hurt yourself and lose flight status...knew a guy who broke his leg and had to get pins, than had to go up on a Med board to keep his wings, the $125/mo. jump pay is not worth losing the hundreds in flight pay. While Bullet was an ALO he sent several of his guys through Ranger school, but he fought hard to get the money to send them.
The true TACP job is to go in as a small cadre with an Army Brigade and call in the strike. In other words, you will be one of the few AF guys on the ground instead of the sky. You will live life more like the Army than the AF. Brigades have blanket leave b/c they rotate who is on call. When the brigade deploys you go with them, no if and or buts! Quick ex. when Bullet was with the 82nd I was 9 mos pregnant, and he was sent in the field on my due date, what did the Army say...too bad, so sad Bullet, but you're going, compare that to when I went into labor with our DD and he was at the end of the runway taxing for a flight, they called him over the mic and said return to the squadron your wife has armed a bomb (code for labor...pickling is code for delivering)