Promotion at the Time of Retirement or Separation. Per the provisions of 10 USC 1372, Soldiers on a promotion list at the time of retirement for disability will be retired for disability at the promotion list grade. Further, the Soldier will be promoted to the designated grade effective the day before placement on the retired list.
From 1846 to 1848 the United States fought a war with Mexico. North Americans now know the conflict as the Mexican War, or the Mexican-American War. As a result of the war, the United States took over the land that later became New Mexico, Utah, Nevada, Arizona, California, Texas, and western Colorado.
From 1846 to 1848, the United States of America and Mexico went to war. There were several reasons why they did so, but the most important ones were the US annexation of Texas and the Americans' desire for California and other Mexican territories.