| Org. that registers 18-to-25-year-old males | 43 |
| Org. in which one's number may be up | 40 |
| Object of 60's protests: Abbr. | 34 |
| Object of 60's protest: Abbr. | 33 |
| Many men are registered with it: Abbr. | 38 |
| It might precede "pfft" | 33 |
| Gen. Hershey's post in W.W. II | 34 |
| Former holder of private drawings?: Abbr. | 41 |
| Dept. once headed by Gen. Hershey | 33 |
| Cobra's "Watch it!" | 33 |
| Cobra's "careful!" | 32 |
| Bad sound to hear in rattlesnake country | 40 |
| Bad sound for a hot air balloonist | 34 |
| Agcy. that draft dodgers want to steer clear of | 47 |
| 1960's demonstration target: Abbr. | 38 |
| "Heat's coming on" sound | 38 |
| Medicinal root bark or S.C. mountain | 36 |
| Worrisome sound for a balloonist | 32 |
| What's missing from the theme entries | 41 |
| Frightening sound for a balloonist | 34 |
| Not a good sound for a balloonist | 33 |
| Alarming sound for a hot air balloonist | 39 |
| 1973 snake movie starring Dirk Benedict | 39 |
| Waters of the world, figuratively | 33 |
| Visual representation of this puzzle's theme | 48 |
| Air France fleet component, once | 32 |
| Certain descriptive aircraft letters | 36 |
| Scrapped Boeing project, briefly | 32 |
| Record label started by Black Flag | 34 |
| June '03 Smithsonian acquisition | 36 |
| It provided booming business at JFK? | 36 |
| Influential '80s hardcore label | 35 |
| Greg Ginn of Black Flag's label | 35 |
| Craft that once landed at Heathrow | 34 |
| Unrealized 60's Boeing project | 34 |
| Tupolev Tu-144 was the first one | 32 |
| Time-saving means of travel, once | 33 |
| The U.S.S.R. had the first civilian one | 39 |
| The Meat Puppets' record label, once | 40 |
| Sound barrier breaker, for short | 32 |
| Sidelined ocean crosser, briefly | 32 |
| Seminal punk rock label operated by Black Flag | 46 |
| Seminal punk label founded by Black Flag | 40 |
| Retired barrier breaker, for short | 34 |
| Record label not named after a plane | 36 |
| Quick traveler across the Atl., once | 36 |
| Punk rock label started by Black Flag | 37 |
| Old boom-creating speedster, briefly | 36 |
| Legendary punk label started by Black Flag | 42 |
| Label for Opal and Hüsker Dü | 34 |
| Jet that once made a boom, in brief | 35 |
| Its last flight was Nov. 26, 2003 | 33 |
| It's not breaking the sound barrier anymore | 47 |
| It began commercial service in '76 | 38 |
| How international rockers used to travel | 40 |
| High-flying retiree of 2003 (abbr.) | 35 |
| Grounded pointy-nosed plane, briefly | 36 |
| Grounded "bird" since 2003 | 36 |
| Greg Ginn's of Black Flag's label | 41 |
| Former transatlantic plane: Abbr. | 33 |
| Former plane in the stratosphere | 32 |
| Former Air France fleet component | 33 |
| Focus of a July 2000 crash investigation | 40 |
| Fast flier that stopped commercial use in 2005 | 46 |
| European streaker, once, in brief | 33 |
| Craft that last flew in 2003: abbr. | 35 |
| Bygone travel option, informally | 32 |
| Bygone British Airways plane, briefly | 37 |
| Boomer that retired in the early '00s? | 42 |
| Black Flag's Greg Ginn's label | 38 |
| Aircraft with an ogival delta wing: Abbr. | 41 |
| Across-the-Atlantic flier of old, briefly | 41 |
| 2003 addition to the Museum of Flight | 37 |
| "Our Band Could Be Your Life" label | 45 |
| "Bird" with a flexible nose | 37 |
| "Airport '79" setting | 35 |
| "___ Death Flight," 1977 TV film | 42 |
| ''Airport '79'' craft | 41 |
| Astronomical giant with a spectral letter ranking | 49 |
| Certain astronomical classification | 35 |
| Red giants with zirconium oxide in their spectra | 48 |
| Periodical put out by the same parent company | 45 |
| They could turn down their noses | 32 |
| Temporarily grounded fleet, briefly | 35 |
| Transportation for those in a hurry | 35 |
| They used to turn down their noses | 34 |
| They haven't taken off since 2003 | 37 |
| They can break the speed of sound | 33 |
| The Concorde fleet, e.g. (abbr.) | 32 |
| Stratosphere streakers, for short | 33 |
| Planes that routinely flew faster than 768 mi/hr | 48 |
| Planes that comprised the Concorde fleet, briefly | 49 |
| Planes that comprised the Concorde fleet | 40 |
| Part of Air France's fleet until 2003 | 41 |
| Out-of-commission cruisers: Abbr. | 33 |
| One-time transatlantic speedsters | 33 |
| Old trans-Atlantic jets, for short | 34 |
| Items for a transportation museum, now | 38 |
| Heathrow landers until 2003, briefly | 36 |
| Grounded trans-Atlantic fliers, for short | 41 |