Circa 1966, Ilha das Cobras (Island of snakes) Brazilian Naval base, Rio de Janeiro, Brazil, with Sugarloaf mountain in the right background.

Both ships were built in the United Kingdom.

Left to right:

'MINAS GERAIS A 11' an aircraft carrier of the Marinha do Brasil (Brazilian navy). Formerly the Royal Navy's 'HMS Vengeance – R 71'.

See here (in Portuguese)
https://www.naval.com.br/blog/2021/02/07/imagens-navio-aerodromo-ligeiro-minas-gerais-a11

'ALMIRANTE SALDANHA H 10' a hydrographic vessel of the Marinha do Brasil (Brazilian navy).

See here (in Portuguese) >
https://www.naval.com.br/ngb/A/A044/A044.htm

Scanned from a slide.

From the collection of the late Niels Anker Larsen, former Danish Merchant Navy Radio Officer.