Some quick search counts for the catalog: 25 matches for "U.S. and Foreign Release" 67 for "General Public Release" 175 for "Open Source" 212 for "U.S. Rele

Some quick search counts for the catalog: 25 matches for "U.S. and Foreign Release" 67 for "General Public Release" 175 for "Open Source" 212 for "U.S. Release Only" 225 for "U.S. Government Purpose Release" So a good chunk of stuff is openly available, but there's a lot that could still be opened up.