Recently updated reports of the Congressional Research Service that have not been made readily available to the public include these (all pdf).
“U.S.-Japan Economic Relations: Significance, Prospects, and Policy Options,” updated July 9, 2007.
“Navy Littoral Combat Ship (LCS) Program: Oversight Issues and Options for Congress,” updated June 11, 2007.
“U.S. Army and Marine Corps Equipment Requirements: Background and Issues for Congress,” updated June 15, 2007.
“Ballistic Missile Defense: Historical Overview,” updated July 9, 2007.