CREATE TABLE table_name_16 (date VARCHAR, rocket VARCHAR, satellite VARCHAR)
On what date was the rocket a TBD with a satellite of GPS IIIA-1?
SELECT date FROM table_name_16 WHERE rocket = "tbd" AND satellite = "gps iiia-1"
SELECT date FROM table_name_16 WHERE rocket = 'TBD' AND satellite = 'GPS IIIA-1';