CREATE TABLE table_21992 ("Spaceport" TEXT, "Launch complex" TEXT, "Launcher" TEXT, "Spacecraft" TEXT, "Flights" TEXT, "Years" TEXT)

What spacecrafts had 22 orbital flights?
SELECT "Spacecraft" FROM table_21992 WHERE "Flights" = '22 Orbital'
SELECT "Spacecraft" FROM "table_21992" WHERE "Flights" = '22 Orbital'