Despite an hour 's warning , only the P - 40 squadron at Iba took off .
It ran low on fuel in futile response to confusing instructions from the 24th PG that resulted from changing analyses of Japanese intents .
Despite an hour 's warning , only the P - 40 squadron at Iba took off , and it ran low on fuel in futile response to confusing instructions from the 24th PG that resulted from changing analyses of Japanese intents .