The Integrated Launch and Recovery Television Surveillance System (ILARTS) provides the Landing Signal Officer

Landing signal officer

Landing Signal Officers are naval aviators specially trained to facilitate the "safe and expeditious recovery" of naval aircraft aboard aircraft carriers. Originally LSOs were responsible for bringing aircraft aboard ship using hand signals...

 with a reference for aircraft lineup and glideslope information during recovery operations aboard US aircraft carrier

Aircraft carrier

An aircraft carrier is a warship designed with a primary mission of deploying and recovering aircraft, acting as a seagoing airbase. Aircraft carriers thus allow a naval force to project air power worldwide without having to depend on local bases for staging aircraft operations...

s, and is used as a debriefing medium for pilots. Additionally, the system is used for recording significant flight deck

Flight deck

The flight deck of an aircraft carrier is the surface from which its aircraft take off and land, essentially a miniature airfield at sea. On smaller naval ships which do not have aviation as a primary mission, the landing area for helicopters and other VTOL aircraft is also referred to as the...

events and, when necessary, for mishap or incident analysis.