Detachment-4. Battle for heaven

The galaxy is different. Either in one place is war, then in another - expansion, then in the third - the pandemic of mortal illness. Martin Stankevich and his team, no matter how qualified and experienced guardians of the worlds they may be, no matter what fantastic technology their pyramid is supplied, - there is simply not enough strength for everything. They need help.
And she comes.
The famous detachment commanded by Lieutenant Alexander Velga and Lieutenant Helmut Ditz, whose fighters were once irreconcilable enemies in the fields of World War II, but became combat comrades in cosmic battles, is connected to a difficult mission of "descendants".
However, in order to forever eliminate the investigation, it is necessary to find the cause.
And this is just the most difficult