
Shares of U.S. military shipbuilder Huntington Ingalls Industries HII.N up 3.6% at $426.50 premarket
Co secures SHIELD IDIQ contract by U.S. Department of Defense's Missile Defense Agency
Contract carries ceiling of $151 bln; aims to accelerate delivery of homeland defense capabilities
Work spans cyber ops, microelectronics, spectrum management, training environments, logistics and sustainment
HII stock more than doubled over the past year