Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_14947 ( "Code Name" text, "Function (figure)" text, "Real Name" text, "Birthplace" text, "Serial number" text, "Primary military speciality" text, "Secondary military speciality" text )

### Question ###
With a Primary military speciality of astral assault tactics, what is the Secondary military speciality?

### Accurate SQL ###

SELECT "Secondary military speciality" FROM table_14947 WHERE "Primary military speciality" = 'astral assault tactics'