Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. PNS Hamza (S139) - PPNS Hamza (S139) named after Hamza ibn 'Abd al-Muttalib is Khalid class submarine of Pakistan Navy. Hamza is third of the Khalid class submarine built in Pakistan at Pakistan Navy dockyard Karachi under a transfer of technology contract signed on 21 September 1994 with DCNS France.
Answer:
Mean Of Transportation