I stumbled upon this article sa net....
GUARDING NATION'S AIRSPACE: PAF'S F-5 RETIRES AFTER 40 YEARS
.....Capt. Ephraim Suyom, spokesman for the Air Defense Wing here, said five of the remaining 10 F5s were still "serviceable" but all of them could be used "in case of war."
"In extreme emergency, you do what you have to do," he said.......
This was said during the decommissioning ceremony of the F-5...
Mura mag "Break glass in case of WAR"...
GUARDING NATION'S AIRSPACE: PAF'S F-5 RETIRES AFTER 40 YEARS