russian land forces in the course of the siege suffered 31,306 casualties, of whom at least 6,000 were killed. lower figures such as 15,000 killed, wounded, and missing are sometimes claimed. at the end of the siege, the japanese captured a further 878 army officers and 23,491 other ranks; 15,000 of those captured were wounded. the japanese also captured 546 guns and 82,000 artillery shells. in addition the russians lost their entire fleet based at port arthur, which was either sunk or interned. the japanese captured 8,956 seamen.