 The gunner carries a reusable Command Launch Unit (in addition to the Launch Tube Assembly) more commonly referred to as a CLU (pronounced "clue") and is the targeting component of the two-part system.The CLU has three views which are used to find, target, and fire the missile and may also be used separately from the missile as a portable thermal sight.Infantry are no longer required to stay in constant contact with armored personnel carriers and tanks with thermal sights.