Operation Spectrum
| Use attributes for filter ! | |
| Operational scope | Operational |
|---|---|
| Date of Reg. | |
| Date of Upd. | |
| ID | 3094059 |
About Operation Spectrum
Operation Spectrum, also known as the 1987 "Marxist Conspiracy", was the code name for a covert security operation that took place in Singapore on 21 May 1987.