Starships in ground combat

[Spartan159]

Or, just how much ground armor is Starship armor 0, 1+? Is this addressed somewhere and I just missed it?

 

[AnotherDilbert]

Armour is not scaled, but damage is:

A Traveller attacking a Spacecraft with a Ground scale weapon will divide its damage by ten (as always, rounding down).

A ground weapon also loses any AP trait:

Spacecraft Scale targets (see page 157) ignore the AP trait unless the weapon making the attack is also Spacecraft Scale.

So any damage less than 10 still bounces off an unarmoured space craft.

 

[Condottiere]

Given enough time, you probably could penetrate a zero percentage hull, but not within the time window available in combat.