[SG2] Questions

G' Day

Rally
On ly a command unit can make a rally test. Is ti possible for a command
unit 
to make a rally test on it self ? In this case is it necessary to make a

communication test ?

Regroupement
Does it possible for two whole units to regroup in one single unit ? (If
you 
have one unit of 5 men with leadership 1 and another unit of 5 men and 
leadership 3 you make a unit of 10 men and leadership 1.  It's too easy
!! )

Detached Element
A leader  can give 2 actions at a detached element by a success
communication 
roll.  
Can you use one of the two actions of a unit to carry out an action with
the 
detached element of this unit ?

Hidden Units
1/ Hidden marker must be placed in positions in wich elements could be 
concealed from ennemy reconnaissance.
2/ Spotting Unit : Unit is revealed the first time that an opposing unit

obtains a clear line of sight to the marker if it is in the open.

Is it possible to place a hidden marker in the open ?