OFFICER Command
Captain Benjamin Sisko served as head of Starfleet Security during the changeling infiltration of Earth in 2372. Instituted blood screenings for all high-ranking officials. Uncovered Admiral Leyton's coup.
SECURITY Leadership x2 Honor Reports for free to Office of the President. tBlood Screening
Captain Sisko
Command
SECURITY 
Reports for free to Office of the President. tBlood Screening