Operation Ariel (also Operation Aerial) was the name given to the World War II evacuation of Allied forces and civilians from ports in western France from 15–25 June 1940, following the military collapse in the Battle of France against Nazi Germany.
 It followed Operation Dynamo, the evacuation from Dunkirk and Operation Cycle, an evacuation from Le Havre, which finished on 13 June.
 British and Allied ships were covered from French bases by five Royal Air Force (RAF) fighter squadrons and assisted by aircraft based in England to lift British, Polish and Czech troops, civilians and equipment from Atlantic ports, particularly from St Nazaire and Nantes.
The Dunkirk evacuation, code-named Operation Dynamo and also known as the Miracle of Dunkirk, was the evacuation of Allied soldiers during World War II from the beaches and harbour of Dunkirk, in the north of France, between 26 May and 4 June 1940.
Operation Sharp Edge was a non-combatant evacuation operation carried out by the 22nd Marine Expeditionary Unit (22nd MEU) and 26th MEU of the United States Marine Corps in Liberia in 1990 and 1991.
 The MEUs were supported by U.S. Navy Amphibious Readiness Group including USS Saipan (LHA-2), USS Ponce (LPD 15), USS Sumter (LST 1181), Fleet Surgical Team TWO and the destroyer USS Peterson (DD 969).
RNLB "Guide of Dunkirk" (ON 826) was a 35ft 6in Self-righting motor-class lifeboat whose construction was funded by the Girl Guides in 1940.
 She was self-righting and designed for launching from a beach.
 As one of the Little Ships of Dunkirk she was used in the evacuation of Allied soldiers from Dunkirk in World War II.
 Between 1941 and 1963 she was stationed in Cadgwith, UK as a lifeboat.
 In 1963 she passed into private ownership.
The Little Ships of Dunkirk were about 850 private boats that sailed from Ramsgate in England to Dunkirk in France between 26 May and 4 June 1940 as part of Operation Dynamo, helping to rescue more than 338,000 British and French soldiers who were trapped on the beaches at Dunkirk during the Second World War.
Operation Dragonfly, in German "Operation Libelle", was an evacuation operation of the German Armed Forces in the Albanian capital Tirana on March 14, 1997.
 In the same week, American, British and Italian military forces evacuated their citizens from Albania.
 Operation Libelle is the first time since World War II that German infantry soldiers fired shots in combat.
Operation Silver Anvil was a non-combatant evacuation operation carried out by United States armed forces in Sierra Leone in April–May 1992.
 The operation successfully evacuated more than 400 people from the country.
Operation "Fiery Vigil" was the emergency evacuation of all non-essential military and United States Department of Defense civilian personnel and their dependents from Clark Air Base and U.S. Naval Base Subic Bay during the June 1991 volcanic eruption of Mount Pinatubo in the Philippines.
 This noncombatant evacuation operation (NEO) resulted in the transfer of roughly 20,000 people from Clark Air Base and U.S. Naval Base Subic Bay back to CONUS, by way of Cebu, Philippines.
 The Commanding General, 13th USAF, was in command of the Joint Task Force.
Operation Silver Wake was a non-combatant evacuation operation (NEO) led by the United States to evacuate American citizens, noncombatants and designated third country nationals from Albania in March 1997.
 The operation was performed by U.S. Marines from the 26th Marine Expeditionary Unit conducting operations from the USS "Nassau" Amphibious Readiness Group.
 U.S. Marines from 1st Battalion, 8th Marines secured the U.S. housing compound and held the U.S. Embassy.
 Over 900 personnel were evacuated during the course of the operation.
Operation Autumn Return was a non-combatant evacuation operation of the United States armed forces conducted from September 24 to October 4, 2002, in Côte d'Ivoire.

Question: What was the name of the evacuation operation that the RNLB Guide of Dunkirk was used in?
Answer: Operation Dynamo