Seekers are among the most expensive parts of a guided weapon, and Boeing’s argument is that their cost is what limits how many the military can buy.

Seekers are among the most expensive parts of a guided weapon, and Boeing’s argument is that their cost is what limits how many the military can buy.

Boeing plans to offer a cheaper seeker for defensive and offensive military missiles, while Northrop Grumman revealed more about a cannon-based solution to bat down threats like…