In reality, it should be easier to throw a grenade in / out of a window. I’m tired of blowing myself up. 
Also, I can never remember which of my soldiers have the ability to yeet grenades across the map. 
Maybe add a little muscle arm icon beside the grenade in the bottom left? 
No a good soldier know how to do die and learn
The thumb of the left hand is already a good indicator to aim. So no, no trajectory assist. That would be way too easy.
But I have to agree with the soldiers having the perk to yeet grenades. Not always easy to remember which dude throws like he’s himself a mortar
That perk need some kind indicator so people know who has it. If not full trajectory mayby some partial one other way to tell that sorldier is going to toss that nade to orbit
Just that would help a great deal. While we are at it, indicators for sprint speed perk, crawl speed, heal speed etc. Would slso be a good feature.
Just go to the practice range and practice throwing grenades through windows and at other targets …
Sure. I mean, I have a pretty good idea where my grenades normally land. It’s just when one my perk dudes is up to bat, the grenades are yeeted way past where I expect them to go.
I swear some soldiers (those with aforementioned perk) were drafted directly from their respective baseball teams.
lmao those guys can yeet explosion packs miles away
I bet they can win a few medal attending competitions.
But yes, an indicator is needed when you are using one of those muscle dudes
Someone should try to throw a tnt pack at a plane with this ability 
Also, I can never remember which of my soldiers have the ability to yeet grenades across the map.
I entertain this idea.
However, if icons were introduced for this said perk, then you could argue that there needs to be an icon pack for some others.
Who is your heavy hitter with that +100% melee damage?
Who is your tanker that can storm into an objective with that +35 vitality & 15% sprint?
Which one of your tank crewmen can extinguish that fire faster? or repair with better durability?
Perhaps either allowing for icons next to soldiers’ names or allow us to at least prefix soldier names without having to use a callsign order.
Regards.
Maybe just let us do those callisign changes without needing any orders, that would somewhat sort the issue with this perk.