Mezue ahịrịokwu na-esonụ: Amụrụ nwa nke Major Guy Melvil Gibbs na Margaret Gibbs (née St John) ma gụrụ akwụkwọ na Eton College na Royal Military College, Sandhurst, Gibbs bụ onye e nyere ọrụ dịka onye nke abụọ na Kings Royal Rifle Corps (KRRC) na 31 Disemba 1939, ihe fọrọ nke nta ka ọ bụrụ ọnwa anọ mgbe mbata nke Britain na Agha Worldwa nke Abụọ. Agbanyeghị, etinyeghị ya n'ọrụ ozugbo, dịka e lere ya anya dị ka onye na-eto eto, ọ nọgidere na United Kingdom ruo mgbe e zigara ya na Battalion nke abụọ, KRRC, mgbe ahụ Lieutenant Colonel George Erskine nyere ya iwu ma na-emezigharị mgbe ọ nwesịrị nnukwu ọnwụ n'oge nnọchibido nke Calais. Gibbs, onye e buliri n'ọkwa lieutenant na 1 Julaị 1941, ga-arụ ọrụ na battalion ahụ maka oge fọdụrụ n'agha ahụ ma tinye ya na battalion ya na North Africa na ngwụcha 1941, e nyere ya Military Cross (MC) na 15 Ọktọba 1942. Mgbe o sonyere na Agha nke Abụọ nke El Alamein, o weghaara iwu nke 'C Company' nke battalion ya na Machị 1943 ma nọrọ n'ọrụ ahụ ruo oge fọdụrụ n'agha ahụ. N'ịchịkwa ndị otu ya n'oge ikpeazụ nke Mgbasa Ozi Tunisia, na-ekere òkè na mbuso agha nke ndị Allied nke Italy, ndị Normandy na ndị na-esote
na-alụ ọgụ na North West Europe ruo Victory na Europe Day (VE Day) na Mee 1945. N'oge niile a, site na D-Day ruo VE Day, otu n'ime ndị ọrụ ibe ya bụ Edwin Bramall. Dị ka Gibbs n'onwe ya, akara aka Bramall bụ iru ọkwa kachasị elu. E nyere ya onyinye Distinguished Service Order (DSO) na 2 Ọgọstụ 1945.