SELECT "Secondary military speciality" FROM table_14947 WHERE "Primary military speciality" = 'astral assault tactics'
With a Primary military speciality of astral assault tactics, what is the Secondary military speciality?
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
)