Jet planes and warships sometimes appear in the central hollow of Maozhang that were presumably issued by units of the PLA air force and navy.

BM cat. no. 69 has a very similar warship. The ship on BM cat. no. 76 is in outline rather than 3D relief as these

40mm   6.7g

38mm   6.2g

40mm   6.6g

46mm   8g

mil1 mil11r mil4 mil4r mil6 mil6r mil2 mil2r