Operation Praetorian
| Praetorian | |
|---|---|
| Information | |
| Country | United States | 
| Test site | NTS Area 12, Rainier Mesa; NTS Area 19, 20, Pahute Mesa; NTS, Areas 1–4, 6–10, Yucca Flat | 
| Period | 1981–1982 | 
| Number of tests | 19 | 
| Test type | underground shaft, tunnel | 
| Max. yield | 140 kilotonnes of TNT (590 TJ) | 
| Test series chronology | |
The United States's Praetorian nuclear test series was a group of 19 nuclear tests conducted in 1981–1982. These tests followed the Operation Guardian series and preceded the Operation Phalanx series.