this invention relates to cooking stoves and in particular , to lightweight , efficient and portable outdoor cooking stoves . the cooking stoves are primarily for military use , for example by the dismounted infantry soldier , but are also suitable for other outdoor leisure pursuits such as backpacking , hiking and boating . the cooking stoves are designed to make efficient use of pre - packaged fuel blocks , to withstand cold temperatures and high winds , to protect combustible surroundings and to mask flames from an enemy .