More BR/BL questions

Part of thread: More BR/BL questions · 1 reply Re: More BR/BL questions — Tim O'Reilly
1. What type of sensors does area jamming effect? AEMS only? PEMS only? Both?

2. In order to use sandcasters against attacking laser-det missiles, do I have to have a lock on the missiles?

3. Bonus Vampire Fleets question. The last page of Vampire Fleets describes the effect of having Sandman aboard a RCES vessel in combat. The sum total of this seems to be an additional -1DiffMod on all firing tasks. Is that it? I mean to say, that is what is going to help me defeat the Navy of the Empire of Solee and then the Vampires? Consider me doubtful...