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_1015521_2 (us_air_force_equivalent VARCHAR, commonwealth_equivalent VARCHAR)

### Question ###
If you are a pilot officer in the commonwealth then what will you called as in the US air force?

### Accurate SQL ###

SELECT us_air_force_equivalent FROM table_1015521_2 WHERE commonwealth_equivalent = "Pilot Officer"