100% | MIRV | 4 | The UGM-133 Trident II or the LGM-30 Minuteman III |
38% | ICBM | 4 | The LGM-30G Minuteman-II, for example |
34% | SON | 3 | II or III |
34% | SON | 3 | II or III, say |
34% | SON | 3 | II or III, perhaps |
33% | ICBM | 4 | The Minuteman III, e.g. |
32% | TSAR | 4 | Peter I, II or III |
32% | ROMANOV | 7 | Peter I, II or III |
30% | DECO | 4 | Like 30 Rockefeller Plaza or the Chrysler Building, stylistically |
29% | TSAR | 4 | Paul I, Peter II, or Ivan III |
29% | ROMAN | 5 | Like the numerals I, II, III, IV |
29% | TSAR | 4 | Alexander III or Nicholas II |
29% | REY | 3 | Carlos I, II, III or IV |
29% | ROI | 3 | Charles I, II, III ... or X |
29% | TSAR | 4 | Peter the Great or Nicholas II |
28% | TZARS | 5 | Bulgaria's Boris III and Simeon II of the 1940s (var.) |
26% | ONETWOTHREEFOUR | 15 | Start of a count ... or the letter frequencies in 17-, 30-, 46- and 64-Across |
26% | NCAA | 4 | Group that labels schools as Division I, Division II, or Division III: Abbr. |
26% | KICKSTARTER | 11 | Crowdfunding site ... or a hint to the beginnings of 17-, 30- and 46-Across |
25% | TRACY | 5 | "30 Rock" character, or the first name of his portrayer |
25% | CAT | 3 | Scratchy or Snowball II, on "The Simpsons" |
24% | SHELLCOMPANY | 12 | Vehicle for some financial deception ... or, literally, the casing of 20-, 30-, 37-, and 46-Across? |
24% | ONTHATNOTE | 10 | Speaking of which ... or where the starts of 16-, 30- and 45-Across can be found? |
24% | RMOVIES | 7 | "The Godfather" parts I, II and III, e.g. |
24% | HITCHINGARIDE | 13 | Getting picked up by the side of the road ... or what 20-, 30- and 39-Across are literally doing? |
24% | LATEBLOOMER | 11 | One who catches up eventually ... or a hint to the ends of 17-, 30- and 46-Across |
24% | SEALAB | 6 | '60s USN habitats (I, II and III) that investigated the challenges of deep sea diving |
24% | DOOWOPGROUP | 11 | The Del-Satins or the Shirelles |
24% | ICBM | 4 | Minuteman III, e.g. |
24% | ONE | 3 | __ or the other |