Summary of David Rooney's About Time

Excerpt From Summary of David Rooney's About Time



#1



On September 1, 1983, a Korean Air Lines flight from Alaska to Seoul was intercepted by a Soviet Sukhoi Su-15 fighter jet. The flight crew had no idea they were in danger, as their navigation systems were not set properly.



#2



The first GPS satellite was launched in 1978, and today there are approximately 32 active satellites at any given time. The military system, which allows planes to navigate without having to rely on their onboard navigation systems, was first used in 1983 to find the wreckage of KAL 007.