"Robert Clark-Hall"@en . . . "Air Marshal Sir Robert Hamilton Clark-Hall KBE CMG DSO RAF (21 June 1883 \u2013 8 March 1964) was a squadron and wing commander in the Royal Naval Air Service during World War I and a senior Royal Air Force commander in the 1920s and early 1930s. Clark-Hall returned to service during World War II after volunteering to serve with the Royal New Zealand Air Force."@en . . . "1931"^^ . . . . . . . "Air Marshal Sir Robert Hamilton Clark-Hall KBE CMG DSO RAF (21 June 1883 \u2013 8 March 1964) was a squadron and wing commander in the Royal Naval Air Service during World War I and a senior Royal Air Force commander in the 1920s and early 1930s. Clark-Hall returned to service during World War II after volunteering to serve with the Royal New Zealand Air Force."@en . . . . . . . . . . . .