Raytheon has been awarded a US Navy contract with a potential total value of $424 million, if all options are exercised, for engineering and manufacturing to further develop Standard Missile-3 (SM-3).
Raytheon will complete development of
The SM-3 Block IA provides an incremental upgrade to improve the missile's reliability and performance at a reduced cost. Block IB incorporates into the kinetic warhead an advanced two-colour infrared seeker and a throttling divert and attitude control system providing additional capability against evolving threats.
SM-3 has transitioned from engineering development to manufacture and is being built along with production SM-2s in Raytheon Missile Systems' factories in
UK homes more suitable for heat pumps than expected
Hello Gordoun, you can use a simple empirical formula to estimate COP (my own analysis, unpublished, based on the Building Research Establishment...