Wyvern (Dungeons & Dragons) Guide to Sigil" (1995). The wyvern is further detailed in "Dragon" Annual #1 (1996), in "The Ecology of the Wyvern." The wyvern appears in the "Monster Manual" for this edition (2000). The arctic wyvern and the young arctic wyvern appeared in "Dungeon" #78 (January 2000). The wyvern appears in the revised "Monster Manual" for this edition (2003). The wyvern appears in the "Monster Manual" for this edition (2008). The wyvern appears in the "Monster Manual" for this edition (2014). Despite supposedly being stupid, Wyverns are rather deadly and cunning in combat. They prefer to always be in flight, and take
Westland Wyvern "Albion" until March 1955 when the problems had been resolved. 830 Sqn. took the Wyvern into combat from HMS "Eagle", flying 79 sorties during Operation Musketeer; the armed response to the Suez Crisis. Two Wyverns were lost to damage from Egyptian light anti-aircraft fire; both pilots of the aircraft successfully ejected over the sea, and were picked up by "Eagle"'s search and rescue helicopter. The squadron returned to the UK on "Eagle" after this conflict and disbanded in January 1957. Consequently, 813 was the last Wyvern squadron, disbanding on 22 April 1958. All Wyverns were withdrawn from service by 1958: