With reference to INS Kolkata, consider the following statements:
1.It is the lead ship of the Project 15A Kolkata-class guided-missile destroyers of the Indian Navy.
2.It was built by Mazagon Dock Shipbuilders and commissioned into the Indian Navy in August 2014.
3.It is equipped with BrahMos supersonic cruise missiles as its principal anti-surface strike weapon.
Which of the statements given above is/are correct?