SM-2ER

The SM-2ER (extended-range) missile replaced SM-1ER missiles. The missile incorporated the inertial guidance and monopulse radar of the SM-2MR. It also had an additional tandem boost motor to provide greater range and a faster fly-out capability.

The missile had four narrow rectangular wings and four moving clipped and raked delta fins at the rear. There was also a tandem boost motor with four clipped-tip triangular fins. The additional booster motor increased range against...