Princess Isabella will reportedly forgo any remuneration during her 11 months of military service. (AP PHOTO)Princess Isabella will reportedly forgo any remuneration during her 11 months of military service. According to the Ritzau news agency, 1600 young people in Denmark began a new extended basic military service on Monday. Denmark recently extended its basic military service from four to 11 months due to the changing security situation in Europe. Danish media reported, citing the royal house, that Isabella will forgo any remuneration during her military service.