CREATE TABLE table_70782 ("Name" TEXT, "Born" TEXT, "Age on mission" FLOAT, "Mission" TEXT, "Mission dates" TEXT, "Service" TEXT)

What mission did the astronaut who 38 years old on the mission and who served in NASA serve on?
SELECT "Mission" FROM table_70782 WHERE "Service" = 'nasa' AND "Age on mission" = '38'
SELECT "Mission" FROM "table_70782" WHERE "Age on mission" = '38' AND "Service" = 'nasa'