I've been playing Spec Ops trying to get all 69 stars alone (with the exception of those two bravo missions) and as of right now I'm stuck on Snatch and Grab. I find this ridiculous since I beat Echo in three days after unlocking it.
 
For those of you that don't know the names of the missions, Snatch and Grab is where you're fighting Shadow Company in the Airplane graveyard. Currently my problem is getting shot in the ass randomly by a few soldiers from across the freakin map. I try sneaking around and taking sniper shots with the Intervention or the M4 but I always get shot by some unseen bastard hiding behind a crate of airplane peanuts.
 
Anyone else have a hard time with this one? If not can someone give me an idea on how to beat this?

Stick to one side of the map, I was walking against the left wall. Go slooooow. The part where juggernauts come, be ready for them. You might have to pick up the pace. A sniper is pretty much required.

Take it slow.  
 
 
 
That is all

Gods yes, I hated that. Taking it slow seemed to penalize us as much as trying to do it quickly -- juggernauts would suddenly appear behind us out of nowhere ><

I also had a hard time with that one. I ended up beating it with my 10 year old brother though lol. He managed to take out 2 or 3 juggernauts in a row by himself when I was down. I am still in shock that he was able to do that, on veteran, by himself. We took it slow and made sure to kill the juggernauts before we made our run for it. After you kill the 4-5 juggernauts in the level, you are pretty much home free.

Snatch and Grab is easily the hardest in the game, I found the worst part to be right after you grab the data you need to clear that entire field as best as possible before dropping down into it, yet Juggernauts will come from behind, quite frustrating indeed. But like others said, take it slow especially if you are doing it alone. I think when my friend and I cleared it our final time was over half an hour or so. So yeah, we took it really slow.  
 
Oh also, probably common knowledge I am sure but I learned on Snatch and Grab that a specific sound plays (a deep drum beat) when a Juggernaut spawns which you should always be listening for. I say this because I never even noticed the sound until the very last mission I needed stars from (which was Snatch and Grab ~_~)

" Snatch and Grab is easily the hardest in the game, I found the worst part to be right after you grab the data you need to clear that entire field as best as possible before dropping down into it, yet Juggernauts will come from behind, quite frustrating indeed. But like others said, take it slow especially if you are doing it alone. I think when my friend and I cleared it our final time was over half an hour or so. So yeah, we took it really slow.   Oh also, probably common knowledge I am sure but I learned on Snatch and Grab that a specific sound plays (a deep drum beat) when a Juggernaut spawns which you should always be listening for. I say this because I never even noticed the sound until the very last mission I needed stars from (which was Snatch and Grab ~_~) "

Ugh, my nephew and i tried this one so many times.  Ended up getting lucky on a solo attempt running down the right side and randomly throwing grenades.

It's pretty difficult, but only because of the 7 juggernauts that I had to fight.

My brother and I kept failing because when we got to the part where you slide down the hill to the road, a Juggernaut would come behind us and murder us.

It took me and a bro about 4 hours to do, spread over several sessions. The big where the Juggernauts come from behind wasn't too bad because while one would be sniping, the other would watch the six. It was them turning up during the final run that caught is off guard a few times. So far, I think Estate Takedown has been the hardest with one infamous run ending on 3 Juggernauts who did not mess around.

That seems to be many peoples hardest, mine as well. Took forever....