Seaman increases ability rates for all sailors on the ship granted that it has good Bases like Hero sailor.

Medic reduces the sailor's death rate during battle , but since they removed Vet loses from CV Pilots it can be pretty big waste of space .

1. Thanks for that answer.

2. How? Is there a formula how he increase the other stats? How do he boost the ability from the other etc?

Tony 

Tips and Tactics

Temp Repost: Adalbert's guides on ability  (stickied)

http://fm.en.kupaisky.com/Community/Forum/View.aspx?num=9411&pagecount=0&page1=1&searchtype=0&category=D01&searchvalue=&sort=5

additional display ability = 0.86*(2+n)* displayed ability * vet expert ratios max100% /(126-level)^2
something like that 

let us say,
your gunner is ebve at 40% vet cap, then the ratio is 220%.
but seaman seems capped at100%, vetting can't break it.
but you can make it slim with more vets and fewer experts.

if your seaman is far from 125, you will not see the difference.

if your seaman is base 9, then santa seaman(19) is almost an doubled.

bonus of seaman to gunner seems not breaking accuracy cap.
if your gun archieve fake block shot, it is due to other reason