: Dest roy er ▁classes ▁Category : Pro posed ▁ships <0x0A> </s> ▁The ▁Ra id ▁on ▁R use ▁was ▁the ▁first ▁naval ▁action ▁to ▁take ▁place ▁on ▁the ▁Roman ian ▁front ▁during ▁the ▁First ▁World ▁War . ▁It ▁took ▁place ▁on ▁the ▁first ▁day ▁of ▁the ▁campaign , ▁ 2 7 ▁August ▁ 1 9 1 6 , ▁just ▁as ▁Roman ian ▁troops ▁were ▁crossing ▁the ▁border ▁into ▁Trans ylvan ia , ▁then ▁part ▁of ▁Austria - H ung ary . ▁ ▁The ▁Roman ian ▁attack ▁During ▁the ▁night ▁of ▁ 2 7 ▁August ▁ 1 9 1 6 ▁three ▁Roman ian ▁small ▁tor ped o ▁boats ▁( the ▁old ▁ 1 0 - ton ▁R ând un ica ▁and ▁the ▁converted ▁hyd ra ul ic ▁service ▁vessels ▁Bu j ores cu ▁and ▁Cat in ca , ▁each ▁armed ▁with ▁two ▁tor ped o es ▁in ▁wooden ▁carri ages ) ▁attacked ▁the ▁Aust ro - H ung arian ▁Dan ube ▁Fl ot illa ▁station ed ▁in ▁the ▁Bulgar ian ▁port ▁of ▁R use , ▁which ▁consisted ▁of ▁five ▁mon itors ▁and ▁four ▁armed ▁river ▁boats . ▁The ▁objective ▁was ▁to ▁sink ▁one ▁of ▁the ▁mon itors , ▁but ▁the ▁attack ▁failed ▁in ▁its ▁immediate ▁purpose , ▁as ▁only ▁one ▁bar ge ▁loaded ▁with ▁fuel ▁was ▁s unk ▁( by ▁R ând un ica , ▁commanded ▁by ▁Captain ▁Nic ules cu ▁R ize a ) ▁and ▁a ▁qu ay ▁was ▁dam aged ▁by ▁another ▁tor ped o . ▁Due ▁to ▁this ▁attack , ▁however