CREATE TABLE table_4186 ("#" CLOB, "Project" CLOB, "Shipyard" CLOB, "Laid down" CLOB, "Launched" CLOB, "Commissioned" CLOB, "Status" CLOB)

when was the first start date that actually began on august 6, 1969
SELECT "Launched" FROM table_4186 WHERE "Commissioned" = 'August 6, 1969'
SELECT "Launched" FROM "table_4186" WHERE "Commissioned" = 'August 6, 1969'