Corporals Becky Gwynne and Alan Cheshire are brother and sister and have been deployed to Afghanistan at the same time The Army Siblings Fighting The Taliban: Brother And Sister Make Military History By Serving Together In Afghanistan — Daily Mail A brother and sister have made history after both serving in Afghanistan at the same time. Corporals Alan Cheshire, 24, and Becky Gwynne, 22, are both deployed as part of the Brigade Reconnaissance Force in Helmand province. Cpl Cheshire is a section commander for the Light Dragoons while Cpl Gwynne of the Royal Military Police carries out a number of duties in support of her brother’s operations. Read more …. My Comment : The military is clearly in their blood.