In dictionaries:
Selective Service System
Military draft registration for citizens.
Government Service Insurance System
The (abbreviated as GSIS) a Filipino government-owned and controlled corporation in the Philippines aimed at government employees.
Passenger service system
A Passenger Service System or PSS is a network of software applications that help airlines manage all the passenger-related operations from ticketing to boarding.
Civil Service Retirement System
a public pension fund organized in 1920 that has provided retirement, disability, and survivor benefits for most civilian employees in the United States federal government.
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