ine. Under a national administration policy announced at the White House level in 1961 after the Soviet Union broke the three-year nuclear test moratorium, we do not publicly announce all tests. The fact that a test has been conducted which has not been announced is classified. policy is that we announce almost all tests DELETED The current DELETED -unless there are reasons for a public statement such as a venting, or experiments associated with the test that will be discussed later in unclassified publications. The current pol- icy is that all peaceful purposes tests are announced, and their general purpose described in the announcement. During the years when tests were conducted in the atmosphere, weapons laboratory researchers wished often that some sort of steady rate of testing could be achieved. In those years, tests bunched up to be performed in a series every year or two in Nevada or the Pacific. The slide shows that a steady rate has been achieved to a reasonable degree since underground testing became the basic policy. to tests during a fiscal year. The totals relate The rises and declines per year reflect fis- cal policy at the national nevel, the basic requirements of the military in terms of effort needed, and a few other factors. The difference in number of tests year to year is not great, as you can see. DOE ARCHIVES ‘thin the US.