As many as 1.8 million active duty and reserve component members, roughly 75 percent of the Total Force, will be invited in 2018 to switch to the new "blended" military retirement plan that Congress approved last year. To prepare for that "open season" year, to strengthen force retention and to bolster retirement savings, Defense officials are asking Congress to make four significant changes to the new retirement plan. For more details, see this Military Advantage post.