From the Captain of the Port
Prevention of Collision at Sea – Gee, How Does GPS Do It?
By 1973, the Navy wanted a reliable, global system for all vessels and what we now know as “GPS” was born in a brainstorming session at the Pentagon over the Labor Day weekend. By 1978, the skeleton of GPS was aloft and reached operational status with 24 satellites in 1993. (There are now 31 such satellites aloft.)
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