History records two military operations named Operation Guardian:

  1. The 1948 British-backed attempt to spark an anti-Communist civil war in Yugoslavia. Although thousands of Croats had been trained in Italy and Germany for the task, the shadow army melted away after returning to Yugoslavia.

  2. A series of sixteen nuclear tests conducted at the Nevada Test Site. this test series followed TINDERBOX and preceded PRAETORIAN. The individual shots of GUARDIAN were:

NameDateSize
DUCHESS 24 October 80 <20 kilotons
MINERS IRON 31 October <20 kilotons
DAUPHIN 14 November <20 kilotons
SERPA 17 December 20-150 kilotons
BASEBALL 15 January 81 20-150 kilotons
CLAIRETTE 5 February <20 kilotons
SECO 25 February <20 kilotons
VIDE 30 April <20 kilotons
ALIGOTE 29 May <20 kilotons
HARZER 6 June 20-150 kilotons
NIZA 10 July <20 kilotons
PINEAU 16 July <20 kilotons
HAVARTI 5 August <20 kilotons
ISLAY 27 August <20 kilotons
TREBIANO 4 September <20 kilotons
CERNADA 24 September <20 kilotons