CREATE TABLE table_48806 ("Name" CLOB, "Launched" CLOB, "Vehicle" CLOB, "Ceased operation" CLOB, "Notes" CLOB)

What was the ceased operation with a launch date of August 8, 1968?
SELECT "Ceased operation" FROM table_48806 WHERE "Launched" = 'august 8, 1968'
SELECT "Ceased operation" FROM "table_48806" WHERE "Launched" = 'august 8, 1968'