CREATE TABLE table_name_70 (mission VARCHAR, service VARCHAR, age_on_mission VARCHAR)

What mission did the astronaut who 38 years old on the mission and who served in NASA serve on?
SELECT mission FROM table_name_70 WHERE service = "nasa" AND age_on_mission = 38
SELECT "mission" FROM "table_name_70" WHERE "age_on_mission" = 38 AND "nasa" = "service"