An influential Army advisory panel is assessing the readiness of ground forces to withstand a nuclear strike, specifically studying both the nuclear hardness and survivability requirements for the service's major weapon systems and the adequacy of testing facilities to verify the ability of tanks, helicopters and combat vehicles to withstand such an attack. On Feb. 22, acting Army Secretary Robert Speer directed the Army Science Board to conduct the study , titled "Nuclear Survivability in Future Warfare: How to Effectively...