New Space Shield Aat,mnn.nta VOVRWS aboard orhitine laboratories mav h e .. .. .. .... nn. fntt~re .. , ~" to outer smee or wo~kine pn,rwtcd from ucutrou r d i : t t i t , ~from ~ o~.bo:;rd nurle.,r p,s& sy-temr 11sInns.irr .shivltl- m:& of lithum hwlvidc wrs+cd in .13:1dcci ircrl. The I:trw+t -11idd uf !hi+ k i d cvcr W.< ~mre I I 1 , i 7 f 2 i t . in : c I I I in. t it I r , Thc -hiehl rul,tnin- 1700 111 of lithium hydride. Future shields may weigh from 3000 to 4000 lb. The project being conducted at the Atomics International Division of North American Rockwell Corp. (NR), is part of the Atomic Energy Commission's SNAP (Systems for Nuclear Auxiliary Power) program. ~