A internal hammer or shrouded hammer revolver is about as foolproof as you can possibly get. It won't carry as flat or as invisibly in pants pockets as something like an LCP or P3AT would, but it carries well enough, packs enough punch, and will give you far less ammunition sensitivity.
America needs to understand that our troops are not 'disposable'. Each represents a family; Fathers, Mothers, Sons, Daughters, Cousins, Uncles, Aunts... Our Citizens are our most valuable treasure; we waste far too many.
