# Operation Vixen

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The Vixen series of nuclear tests were all safety experiments, in which a bomb mechanism with a live core was subjected to abnormal conditions, such as fire, shock, and electrical malfunctions to determine whether nuclear criticality would occur. The result is no nuclear criticality, but the high explosives that triggered the fission bomb may explode, destroying the bomb and spreading the core material over a localized area.
United Kingdom's Vixen series tests and detonations :
| Name | Date time (UT) | Local time zone | Location | Elevation + height | Delivery, Purpose | Yield | Notes |
| A (31 separate events) | 1959 through 1961 | aCST (9.5 hrs) | Maralinga Range, South Australia: Wewak 29°57′22″S 131°42′58″E﻿ / ﻿29.956°S 131.716°E﻿ / -29.956; 131.716﻿ (A) | 180 m (590 ft) + 1 m (3 ft 3 in) | dry surface, safety experiment | unknown yield | 31 trials investigating criticality of a burning warhead, disbursed 4.2 kg (9.3 lb) beryllium, 68 kg (150 lb) U-238, .58 kg (1.3 lb) plutonium, 99 Ci (3,700 GBq) of Po-210 and 1.96 curies (73 GBq) of Ac-227. |
| B1 | 7 September 1960 23:20:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki D 29°53′32″S 131°35′30″E﻿ / ﻿29.8922°S 131.5917°E﻿ / -29.8922; 131.5917﻿ (B1) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | The Vixen B series investigated safety of bombs when the explosives are fired by other than the expected normal ignition sequence. Total disbursement across all 12 tests was 22.2 kg (49 lb) plutonium,. |
| B2 | 24 September 1960 22:40:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki C 29°53′33″S 131°35′35″E﻿ / ﻿29.8925°S 131.593°E﻿ / -29.8925; 131.593﻿ (B2) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | 22.4 kg (49 lb) U-235, 24.9 kg (55 lb) U-238, 17.6 kg (39 lb) beryllium. 90% of the debbursements from the tests was buried in pits (later opened in Operation Brumby), and 10% disbursed to the environment. |
| B3 | 3 October 1960 07:50:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki E 29°53′33″S 131°35′25″E﻿ / ﻿29.8925°S 131.5903°E﻿ / -29.8925; 131.5903﻿ (B3) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B1 - Lima 1 | 13 April 1961 11:44:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki H 29°53′33″S 131°35′30″E﻿ / ﻿29.8926°S 131.5917°E﻿ / -29.8926; 131.5917﻿ (B1 - Lima 1) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B1 - Lima 2 | 23 April 1961 05:00:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki G 29°53′34″S 131°35′34″E﻿ / ﻿29.8929°S 131.5927°E﻿ / -29.8929; 131.5927﻿ (B1 - Lima 2) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B1 - Lima 3 | 8 May 1961 12:00:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki B 29°53′36″S 131°35′38″E﻿ / ﻿29.8934°S 131.5939°E﻿ / -29.8934; 131.5939﻿ (B1 - Lima 3) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B1 - Lima 4 | 18 May 1961 07:30:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki J 29°53′34″S 131°35′26″E﻿ / ﻿29.8928°S 131.5906°E﻿ / -29.8928; 131.5906﻿ (B1 - Lima 4) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B1 - Lima 5 | 25 May 1961 05:30:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki F 29°53′36″S 131°35′21″E﻿ / ﻿29.8933°S 131.5893°E﻿ / -29.8933; 131.5893﻿ (B1 - Lima 5) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B3 - Lima 1 | 26 March 1963 00:20:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki PD 29°53′35″S 131°35′30″E﻿ / ﻿29.893°S 131.5917°E﻿ / -29.893; 131.5917﻿ (B3 - Lima 1) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B3 - Lima 2 | 2 April 1963 06:15:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki PE 29°53′36″S 131°35′27″E﻿ / ﻿29.8932°S 131.5908°E﻿ / -29.8932; 131.5908﻿ (B3 - Lima 2) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B3 - Lima 3 | 9 April 1963 05:10:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki PC 29°53′36″S 131°35′33″E﻿ / ﻿29.8932°S 131.5925°E﻿ / -29.8932; 131.5925﻿ (B3 - Lima 3) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |
| B3 - Lima 4 | 14 April 1963 03:54:?? | aCST (9.5 hrs) | Maralinga Range, South Australia: Taranaki M 29°53′37″S 131°35′23″E﻿ / ﻿29.8935°S 131.5897°E﻿ / -29.8935; 131.5897﻿ (B3 - Lima 4) | 180 m (590 ft) + 2.5 m (8 ft 2 in) | dry surface, safety experiment | no yield | |