river gunboat
gunboat adapted for river operations
Dragonfly-class river gunboat
1938 class of British river gunboats
Japanese gunboat Sumida
gunboat of the Imperial Japanese Navy, launched in 1903 and stricken in 1935
Seta-class gunboat
type of boat in Japanese Navy
ARP Paraguay
armoured river gunboat
Japanese gunboat Seta
1922 Seta-class gunboat
Japanese gunboat Sumida
1939 Fushimi-class gunboat