In most cases, if people don't use their callsign on IRC, they don't want to be bothered. If there are questions that aren't a matter of life and death, email works best.
-----------------------
PRF-RC/BG Sierra "Talon" Taurus/HCA-1/VEA/VE[BC][IOC][LoC][SoS][BM][CDS][MSM]
WDN-SL/KO "Nightblades"/DC-4/Elite Griffen Sect/VSD-II Griffen/VEDJ/VE[IOC][OQD][WoS 2nd Class]
CEO Sierra "Talon" Taurus/ECHC-1/Endoven/Dome 8473/VEEC/VE
-----------------------
CAPT/RA (L) Vincent "Claw" Taurus/ISD Nemesis/Offensive Fleet/VEN[=A=][LoM][IOC][IC2]
CE Vincent "Claw" Taurus/Endoven/Dome 8457/VEEC/VE