arr + 1m a * &) Major policy decisions were at the forefront of the reactor a ° development progrem for both military and civilian purposeat . The BSC actions on development ofthe alreraft carrier reactor, the airereft remector, the sodlum-graphite power reactor, and the Commitesion's policy atatement on civilians we . vot pover, were all being worked Into a reoriented reaster development pregrem. In Marth 1953 the first experimental submarine ae reactor (8TR) was brought te criticality at the Reactor Testing Stetion in Idaho. Rew Meteriale (Part I, pp. 192k} ane, * . Daring 1952, total receipts of uraniun concentrates available to the Combined Development Agency (representing the United States,United Kingdom, and Cenadea) vere 3,173 short toss, or STT tons lesa thaa the amount prejected at the beginning of the year. During the sinemonthe period anded May 31, 1953, totel receipte declined to 1,294 short tons, 21 percent less than in the preceding paricd. Shipments from the Shinkolobwe mine in the Belgian Congo have dropped sharply since July 1y52, meiniy because open-pit operations came to an end ani the grade of ore has continued to decline, The Belgien Congo is still projected to. provide 1,700 tena annuslly for some years; thie is roughly one-fourth leas than the average rate during 1945-51, aby va, Pees Recent favorable developments in Canada, the United States, and South Africa provide increased assurance, however, that the Countenion's projection of 13,100 tons ennusliy (including 600 tons tentatively allo. tated to the United Kingdom) will ba echleved. by 1960, Actual and proee Taye ‘ ee? eet aFe ett oa jected receipta are shown below (for detail, see table on p. 13): Calendar year Actual ’ L952 Projected 1953 . 1954 1955 1956 Short tons - , 0205 | Anerion Belgian 3,173 34.5% 61,7% 5,600 33.9 3,979 3303 38.2 11,100 35e1 16,600 1959 124500 1960 3425 7,500 8,900 LOST 1958 Pertent frome-- North 13,100 36,8 32.0 30,5 Congo": South Africa Other ~~ % 5.5% 42.6 20,2 2.5 22.7 19.2 3763 37k 6.7 5.6 3024 326k ' 16,0 3% 13. 32.0 1543 : 13.0 36.2 3003 3.6 = 5 1308 22.4 26,0 The first three uraniws recovery plants in Gouth Africa sre now operating and nine more are expected to cose Inte production ever the next two years. Firet deliveries from this source were received in the United Staten in Aprii. 1953,

Select target paragraph3