| Brussels-based defense gp. | 26 |
| Alliance formed under HST | 25 |
| Western postwar alliance | 24 |
| Warsaw Pact counterpart | 23 |
| Spain joined it in 1982 | 23 |
| Partnership for Peace org. | 26 |
| Defense org. since '49 | 26 |
| Brussels-based alliance | 23 |
| Alliance based in Brussels | 26 |
| Western alliance since 1949 | 27 |
| Peacekeeping grp. since 1949 | 28 |
| Org. with a secretary general | 29 |
| Org. formed on April 4, 1949 | 28 |
| Org. established in 1949 | 24 |
| Kosovo peacekeeping group | 25 |
| Kosovo peacekeeping gp. | 23 |
| It's HQ'd in Brussels | 29 |
| Intl. defense alliance | 22 |
| International defense org. | 26 |
| Int'l org. formed in 1949 | 29 |
| Grp. involved with Kosovo | 25 |
| Croatia joined it in '09 | 28 |
| Collective defense group | 24 |
| Belg.-based peacekeeping gp. | 28 |
| Alliance since 1949 (abbr.) | 27 |
| Alliance founded in 1949 | 24 |
| Western-alliance letters | 24 |
| Western alliance acronym | 24 |
| Warsaw Pact counterpart, once | 29 |
| Turkey is a part of it | 22 |
| The U.K. is a member of it | 26 |
| Security agcy. since 1949 | 25 |
| Peacekeeping gp. since 1949 | 27 |
| Peacekeeping force source | 25 |
| Peacekeeping force in Bosnia | 28 |
| Peacekeeping alliance: Abbr. | 28 |
| Org. with peacekeeping forces | 29 |
| Org. the USA is part of | 23 |
| Org. involved in Bosnia | 23 |
| Org. HQ'd in Brussels | 25 |
| Org. for Lord Robertson | 23 |
| Operation Allied Force gp. | 26 |
| One side in the cold war | 24 |
| No-fly zone enforcing grp. | 26 |
| N. Atlantic defence alliance | 28 |
| Multi-nation defense gp. | 24 |
| Like some peacekeepers | 22 |
| Its H.Q. is in Brussels | 23 |
| Intl. peacekeeping gp. | 22 |
| Intl. group since 1949 | 22 |
| International defense grp. | 26 |
| Int'l. peacekeeping group | 29 |
| Iceland is part of it: Abbr. | 28 |
| Grp. with peacekeeping forces | 29 |
| Grp. with its HQ in Brussels | 28 |
| Grp. with a secretary general | 29 |
| Grp. that spans an ocean | 24 |
| Grp. that includes the U.S. | 27 |
| Group with HQ in Brussels | 25 |
| Group with hdqrs. in Belgium | 28 |
| Group with a secy. gen. | 23 |
| Group pledged to protect Eur. | 29 |
| Group first headed by Ike | 25 |
| Gp. with a Brussels HQ | 22 |
| Gp. battling Somali pirates | 27 |
| European defense assn. | 22 |
| Euro-American defense gp. | 25 |
| Defensive alliance since 1949 | 29 |
| Defense-alliance acronym | 24 |
| Defense pact since 1949 | 23 |
| Defense org. formed in 1949 | 27 |
| Defense group founded in 1949 | 29 |
| Defense gp. since 1949 | 22 |
| Defense gp. formed in 1949 | 26 |
| Defense alliance since 1949 | 27 |
| Croatia joined it in 2009 | 25 |
| Collective-defense org. | 23 |
| Collective defense org. | 23 |
| Cold War alliance: Abbr. | 24 |
| Brussels-based intl. group | 26 |
| Brussels-based intl. alliance | 29 |
| Brussels-based body, briefly | 28 |
| Bosnia peacekeeping gp. | 23 |
| Body that includes SHAPE | 24 |
| Belg.-based peacekeepers | 24 |
| Atlantic alliance, for short | 28 |
| Alliance formed in 1949 | 23 |
| Acronym originating in 1949 | 27 |
| Acronym often in the news | 25 |
| Acronym for a treaty org. | 25 |
| Acronym for a defense group | 27 |
| 28-nation defense grp. | 22 |
| 1999 air strike authorizer | 26 |
| "Damn Yankees" team | 29 |
| Former D.C. baseball team | 25 |
| DC swingers, for short | 22 |
| D.C. baseballers, briefly | 25 |
| Writer Hentoff and others | 25 |
| Washington team, familiarly | 27 |
| Washington squad, briefly | 25 |