List of Governors of Guam
American military governors (1944–1949)
Table:
Name
(Birth–Death)

Took office

Left office

Roy Stanley Geiger
(1885–1947)

July 21, 1944

August 10, 1944

Henry Louis Larsen
(1890–1962)

August 10, 1944

May 30, 1946

Charles Alan Pownall
(1887–1975)

May 30, 1946

September 27, 1949

Consulting the data table for the 'American military governors (1944–1949)' part of 'List of Governors of Guam', formulate a single-sentence overview of the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.