Marinha Imperial Organization as of Q4/40
First Coastal Defence Group
First Battleship Division (Sao Paulo)
BB Minas Gerais (FF) (formerly Sao Paulo)
CLs Bahia, Barroso
DDs Salvador, Maranhão
Attached
2nd Submarine Flotilla
SS A-1, A-2, A-3, A-4
1st Minesweeper Flotilla
M-1, M-2, M-3, M-4
Second Coastal Defence Group
Coastal Division Rio (Rio de Janeiro)
BB Imperial
CLs Amazonas, Abreu
DDs Matto Grosso, Piauhy, Rio Grande do Norte, Santa Catarina
Attached
1st Submarine Flotilla
F-3, Pirana, Manta, Paraiba
2nd Minesweeper Flotilla
MSW M-5, M-6. M-7, M-8
First Scouting Group
First Cruiser Division (Sao Paulo)
CVL Brasil
CLs Almirante Barroso, Almirante Saldanha, Sagitério
3rd Destroyer Flotilla
Colocolo, Pampas, Parahyba,
7th Destroyer Flotilla
Ocelot, Cabixi
Second Scouting Group
Second Cruiser Division (Rio de Janeiro)
CLs Almirante Tamandaré, Esgrimsta
DDs Pantera, Lince, Tigre, Ceará
Third Scouting Group
Third Cruiser Division (Rio de Janeiro)
CL Almirante Abreu, CL Mosqueteiro, CL Piqueiro
DDs Felis, Oncilla, Chita,
Trade Disruption Group
4th Submarine Flotilla (Rio de Janeiro)
SS B-1
Minesweeping Group
3rd Minesweeping Flotilla (Sao Paulo)
M-9, M-10, M-11, M-12
4th Minesweeping Flotilla
M-13, M-14, M-15, M-16
5th Minesweeping Flotilla
M-17, M-18, M-19, M-20
6th Destroyer Flotilla
DD Pará (FL), DD Verde, DD Arara, DD Baldum
3rd Submarine Flotilla
SS A-5, SS A-6, SS A-7, SS A-8