Problem: The military refers to a set of systems as C4I: Command, Control, Communications, Computers and Intelligence. Because these systems provide mission critical, situational awareness, targeting, and defense information, they are a priority system for enemies to degrade or destroy. With these systems in mind, identify those elements that serve as endpoints that merit protection by your forces. Select all that apply.
a. devices carried by individual military members that receive, transmit, or process data from the C4I network.
b. smart weapons on-board an orbiting B-1 bomber
c. Hostile radar system components
d. one or more platforms in the GPS array being used by those in the C4I network
e. an orbiting F-22