The Brazilian government sent 11 naval planes to the area , and its navy began to convoy shipping on the river .
On 26 November 1934 the Brazilian steamer Paraguay was strafed and bombed by mistake by Bolivian aircraft , while sailing the Paraguay River near Puerto Mihanovich .
The Brazilian government sent 11 naval planes to the area , and Paraguay 's navy began to convoy shipping on the river .
On 26 November 1934 the Brazilian steamer Paraguay was strafed and bombed by mistake by Bolivian aircraft , while sailing the Paraguay River near Puerto Mihanovich .