CREATE TABLE table_55333 ("Serial" FLOAT, "Airborne Unit" TEXT, "Troop carrier Group" TEXT, "# of C-47s" FLOAT, "UK Base" TEXT, "Drop Zone" TEXT, "Drop Zone Time" FLOAT)

Which UK Base has an airborne unit of Pathfinders?
SELECT "UK Base" FROM table_55333 WHERE "Airborne Unit" = 'pathfinders'
SELECT "UK Base" FROM "table_55333" WHERE "Airborne Unit" = 'pathfinders'