The Mk 153 SMAW has an 83.5 millimetres ( 3.29 in ) diameter tube .
The Mk 153 SMAW fires 83 - millimetre ( 3.3 in ) rockets .
The Mk 153 SMAW has an 83.5 millimetres ( 3.29 in ) diameter tube and fires 83 - millimetre ( 3.3 in ) rockets .