▁the ▁next ▁phase ▁of ▁magnetic ▁fusion ▁research ▁— ▁the ▁construction ▁of ▁a ▁demonstr ation ▁model . ▁At ▁the ▁time , ▁magnetic ▁fusion ▁research ▁was ▁on going ▁in ▁Japan , ▁Europe , ▁the ▁Soviet ▁Union ▁and ▁the ▁US . ▁Vel ik hov ▁and ▁Tri vel pie ce ▁believed ▁that ▁taking ▁the ▁next ▁step ▁in ▁fusion ▁research ▁would ▁be ▁beyond ▁the ▁budget ▁of ▁any ▁of ▁the ▁key ▁nations ▁and ▁that ▁collaboration ▁would ▁be ▁useful ▁intern ation ally . ▁ ▁A ▁major ▁b ureau cr atic ▁fight ▁er upt ed ▁in ▁the ▁US ▁government ▁over ▁the ▁project . ▁One ▁argument ▁against ▁collaboration ▁was ▁that ▁the ▁S ovi ets ▁would ▁use ▁it ▁to ▁ste al ▁US ▁technology ▁and ▁know - how . ▁A ▁second ▁was ▁symbol ic ▁— ▁the ▁Soviet ▁phys ic ist ▁And rei ▁Sak har ov ▁was ▁in ▁internal ▁ex ile ▁and ▁the ▁US ▁was ▁pushing ▁the ▁Soviet ▁Union ▁on ▁its ▁human ▁rights ▁record . ▁The ▁United ▁States ▁National ▁Security ▁Council ▁conven ed ▁a ▁meeting ▁under ▁the ▁direction ▁of ▁William ▁F lyn n ▁Martin ▁that ▁resulted ▁in ▁a ▁cons ensus ▁that ▁the ▁US ▁should ▁go ▁forward ▁with ▁the ▁project . ▁ ▁Martin ▁and ▁Vel ik hov ▁concluded ▁the ▁agreement ▁that ▁was ▁agreed ▁at ▁the ▁sum mit ▁and ▁announced ▁in ▁the ▁last ▁paragraph ▁of ▁this ▁historic ▁sum mit ▁meeting , ▁"... ▁The ▁two ▁leaders ▁emphas ized ▁the ▁potential ▁importance ▁of ▁the ▁work ▁aim ed ▁at ▁util izing ▁controlled ▁therm on uc lear ▁fusion ▁for ▁peace ful ▁purposes ▁and , ▁in ▁this ▁connection , ▁advoc ated ▁the