United Kingdom's Nuclear Tests

There were 45 British nuclear tests from 1952 through 1991. Early atomic tests were conducted in Monte Bello Island, Australia, then at Emu Field and Maralinga. Later testing was done at Christmas Island in the Pacific. With the signing of the 1958 US–UK Mutual Defence Agreement, British nuclear testing would conducted at the Nevada Test Site in the United States .

Series	Years	Tests	Yield range (kilotons)	Total yield (kilotons)	Notes
Hurricane	1952	1	25	25	First British nuclear test.
Totem	1953	2	8 to 10	18
Mosaic	1956	2	15 to 60	75
Buffalo	1956	4	2 to 15	30	British nuclear tests at Maralinga
Antler	1957	3	1 to 27	34	British nuclear tests at Maralinga
Grapple	1957–1958	9	24 to 3,000	7,869	First scalable thermonuclear test
NTS series	1961–1991	24	0 to 140	1,232	British nuclear testing in the United States
Totals		45		9,282