1. Wingmen will no go for hover at destination, they keep moving to increase survivability.
2. Same as 1.
3. Think before you're ordering recce - you can decide recce depth.
4. Wingmen (and other AI) recognizes threats based on his sensors and skill. So, if skill low, he can easily miss out the target in his sensors FOV. And even perfect skill AI can't see targets out of his sensors FOV.
5. Looks like they can't see your targets, see 4. Use procedure as follows: first send' em to OP where they can see targets, and only then order to engage.