Read Somerville's letter as a map of wartime command

Somerville's 12 February 1940 letter to Cunningham is valuable for more than corroborating a later memoir. He describes being drawn into RDF work, acting as an unofficial liaison with Fighter Command, visiting stations personally, and ranging across anti-submarine and anti-aircraft responsibilities. His comments on small craft, Charles Forbes, Tom Phillips, and the initials tentatively identified as Dudley Pound expose candid judgments about workload, morale, and senior leadership. Somerville portrays his own roaming role as carrying one organization's problem to another place where it might fertilize a solution, showing how wartime coordination could depend on informal personal intervention. He ends with a sharp command principle: senior leaders should decide policy and leave junior officers to execute rather than insisting on reviewing every signal.