However , other Quickstrike versions ( MK62 , MK63 , and MK64 ) are converted general - purpose bombs .
The MK65 is a 2,000 - lb ( 900 kg ) dedicated , purpose - built mine .
Other Quickstrike versions ( MK62 , MK63 , and MK64 ) are converted general - purpose bombs .
The MK65 is a 2,000 - lb ( 900 kg ) dedicated , purpose - built mine .