plague ships?

[noah]

yours: 1015 ships
class 1:
1000 fighters (1/1, 1 MP)
class 2:
13 destroyers (10/10, 8 MP)
class 3:
1 cruiser (100/100, 60 MP)
class 4:
1 mothership (0/1000, 320 MP)

enemy: 1 ship
class 4:
1 mothership (0/1000, 320 MP)
your class 1 vs enemy class 4: V ^
you:
1000 fighters
enemy:
1 mothership

1000 fighters vs 1 mothership

2 plague ships infected the fleets

losses:
you :
-
enemy :
1 mothership
score in this subbattle: 320
your class 2 vs enemy class 4: V ^
you:
13 destroyers
20 nano viruses
enemy:


2 plague ships infected the fleets

losses:
you :
-
enemy :
-
score in this subbattle: 0
summary:
your losses:
-

enemy losses:
class 4:
1 mothership

score: 320

where the hell did those plague ships come from?
I am at a loss on this one
_________________
All your base are belong to us...

[Osiris]

hmm sounds like a bug

ah well you scored 320 points
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By suffering comes wisdom