What does GLASS stand for?

Gay and Lesbian Adolescent Social Services - Association (EA)

Geodetic LASER Survey System

Georgia Library for Accessible Services (MHID)

Germanium-Lithium Argon Scanning System (NRCH)

Gernmanium-Lithium Argon Scanning System (SAUS)

Glaciology of the South Shetland Islands (SAUO)

Global Area Strike System - Military (SEWL)

Globally Accessible Services (SAUO)

Good Luck and Smooth Sailing - Slang - Military (DNAB)

Greater London Audio Specialization Scheme (SAUS)