| Defense contractor headquartered in Westchester Co. | 51 |
| Defense contractor whose stock symbol is the same as its name | 61 |
| Defense Department dept. | 24 |
| Defense Department gp. | 22 |
| Defense Department headquarters | 31 |
| Defense Department org. | 23 |
| Defense Dept. arm | 17 |
| Defense Dept. branch | 20 |
| Defense device | 14 |
| Defense device: Abbr. | 21 |
| Defense discipline | 18 |
| Defense ditch | 13 |
| Defense ditches | 15 |
| Defense establishment? | 22 |
| Defense fence | 13 |
| Defense for some animals | 24 |
| Defense force | 13 |
| Defense gp. | 11 |
| Defense gp. based in Brussels | 29 |
| Defense gp. formed in 1949 | 26 |
| Defense gp. formed in Bogotá | 31 |
| Defense gp. formed in Manila | 28 |
| Defense gp. founded in Bogotá | 32 |
| Defense gp. of 1954-'77 | 27 |
| Defense gp. since 1948 | 22 |
| Defense gp. since 1949 | 22 |
| Defense gp. with pilots | 23 |
| Defense gp.? | 12 |
| Defense group founded in 1949 | 29 |
| Defense grp. | 12 |
| Defense grp. abolished in 1977 | 30 |
| Defense grp. dissolved in 1977 | 30 |
| Defense grp. formed in 1954 | 27 |
| Defense grp. formed in Bogotá | 32 |
| Defense grp. founded in Bogotá | 33 |
| Defense grp. headquartered in Belgium | 37 |
| Defense grp. headquartered in Brussels | 38 |
| Defense grp. of 1954-77 | 23 |
| Defense grp. since 1949 | 23 |
| Defense grp. that disbanded in 1977 | 35 |
| Defense grp. that includes the U.S. | 35 |
| Defense grp., 1954-77 | 21 |
| Defense headquarters | 20 |
| Defense in a can | 16 |
| Defense in reply to a charge | 28 |
| Defense initials | 16 |
| Defense initiative, for short | 29 |
| Defense lawyers' adversaries, for short | 43 |
| Defense line | 12 |
| Defense made of trees | 21 |
| Defense means | 13 |
| Defense means, briefly | 22 |
| Defense mechanism | 17 |
| Defense mechanism? | 18 |
| Defense mechanisms | 18 |
| Defense method | 14 |
| Defense missile | 15 |
| Defense missiles | 16 |
| Defense motions | 15 |
| Defense of a sort | 17 |
| Defense of one's acts | 25 |
| Defense of one's bona fides, on the playground | 50 |
| Defense of three feet? | 22 |
| Defense offices: Abbr. | 22 |
| Defense on a court | 18 |
| Defense option | 14 |
| Defense org. | 12 |
| Defense org. created under Truman | 33 |
| Defense org. established in 1949 | 32 |
| Defense org. formed in 1949 | 27 |
| Defense org. since '49 | 26 |
| Defense org. since 1949 | 23 |
| Defense org. since November 2001 | 32 |
| Defense org. until 1992 | 23 |
| Defense org.? | 13 |
| Defense pact | 12 |
| Defense pact of 1954 | 20 |
| Defense pact signed in 1954 | 27 |
| Defense pact since 1949 | 23 |
| Defense planners in Wash. | 25 |
| Defense planning gp. | 20 |
| Defense planning grp. | 21 |
| Defense ploy | 12 |
| Defense positions | 17 |
| Defense program | 15 |
| Defense Sec. | 12 |
| Defense secretary | 17 |
| Defense secretary after Cheney | 30 |
| Defense secretary after Gates | 29 |
| Defense Secretary Aspin | 23 |
| Defense secretary before Richardson | 35 |
| Defense secretary Chuck | 23 |
| Defense secretary Panetta | 25 |
| Defense secretary under Clinton | 31 |
| Defense secretary under Nixon | 29 |
| Defense site: Abbr. | 19 |
| Defense statement | 17 |
| Defense strategy that's not an option in some states | 56 |
| Defense structure | 17 |
| Defense syst. | 13 |