Theatre of the Absurd plots of many Absurdist plays feature characters in interdependent pairs, commonly either two males or a male and a female. Some Beckett scholars call this the "pseudocouple". The two characters may be roughly equal or have a begrudging interdependence (like Vladimir and Estragon in "Waiting for Godot" or the two main characters in "Rosencrantz & Guildenstern Are Dead"); one character may be clearly dominant and may torture the passive character (like Pozzo and Lucky in "Waiting for Godot" or Hamm and Clov in "Endgame"); the relationship of the characters may shift dramatically throughout the play (as in Ionesco's "The Lesson"
Samuel Beckett-class offshore patrol vessel of the older Irish Naval Service "Róisín"-class PV80 vessels - with helideck and hangar incorporated. The "Samuel Beckett"-class ships are designed to carry remotely operated submersibles and a decompression chamber for divers. This is intended to add enhanced capabilities to undertake search and rescue, search and recovery, undersea exploration, and increased sea area surveillance. The expanded deck area would also allow the Naval Service to potentially deploy unmanned aerial vehicles for the first time. Features also include Dynamic Positioning systems and "Power Take In Systems" to enable fuel savings, as the main engines can be shut-down and power sourced from