Close look at the submarine mid-section vertical multi-purpose locks (VMPLs) at IMDEX Asia, Singapore, May 2017.
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Leadin to report:
It was interesting to see photos...of SAAB Kockums’ display of a 3 x vertical multi-purpose lock (VMPL) plug at IMDEX Asia 2017. The plug, perhaps 10m long and weighing 500 tonnes, may be an option on a future A26 derivative...
...In 2015 Sweden entertained the idea of mounting a large horizontal multi-purpose lock in the torpedo room of future A26s...
Submarine Matters International