We here at CIMSEC like on occasion to offer our members and readers a topic to focus on for a week or so as a challenge to tease out nuances and new insights. In the past we’ve delved into such subjects as 3D printing and sea-based nations. In April we’ll do so again, and these are your nominees. Please vote only once across all online platforms – voting ends Thursday, 3/28.

Note: unless otherwise specified these topics do not pertain solely to the U.S. Navy: