user: Question: What mission did the astronaut who 38 years old on the mission and who served in NASA serve on?
Columns: ['Name', 'Born', 'Age on mission', 'Mission', 'Mission dates', 'Service']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Frank Borman', 'March 14, 1928 (age85)', 40.0, 'Apollo 8', 'December 21–27, 1968', 'Air Force']
SQL:

assistant: SELECT "Mission" FROM "Table" WHERE "Service" = 'NASA' AND "Age on mission" = 38.0;