| Org. where Edward Snowden once did contracting | 46 |
| Org. under scrutiny concerning surveillance | 43 |
| Org. that specializes in cryptography | 37 |
| Org. that employs mathematicians | 32 |
| Org. probably reading this clue right now | 41 |
| Org. named in WikiLeaks documents | 33 |
| Org. in Clancy's "Red Storm Rising" | 49 |
| Org. implicated in a wiretapping scandal | 40 |
| Org. implementing the Protect America Act | 41 |
| Org. for which Edward Snowden once worked | 41 |
| Org. featured in the movie "Sneakers" | 47 |
| Org. created, aptly enough, in secret | 37 |
| Org. concerned with intelligence | 32 |
| Org. based in Fort Meade, Maryland | 34 |
| Org. associated with U.S. Cyber Command | 39 |
| Letters for friends with benefits | 33 |
| Largest U.S. employer of mathematicians | 39 |
| It's headquartered in Fort Meade, Md. | 41 |
| Intelligence grp. established by Truman | 39 |
| Gp. with a Cryptologic Memorial Wall | 36 |
| Govt. org. that employs mathematicians | 38 |
| Govt. grp. with a CryptoChallenge iPhone app | 44 |
| Govt. group with the CryptoChallenge game app | 45 |
| Ft. Meade's "Crypto City" | 39 |
| Edward Snowden's archnemesis (abbr.) | 40 |
| Code-cracking org. in Tom Clancy novels | 39 |
| Agcy. Chuck works for on "Chuck" | 42 |
| "The Puzzle Palace" org. | 34 |
| "The Puzzle Palace" grp. | 34 |
| "Red Storm Rising" grp. | 33 |
| Grp. involved in the Abbottabad raid | 36 |
| White House grp. that meets in the Situation Room | 49 |
| President's foreign policy grp. | 35 |
| Grp. that meets in the Situation Room | 37 |
| Grp. that includes the U.S. president | 37 |
| Gp. that meets in the Situation Room | 36 |
| Gp. reviewed by the Tower Commission | 36 |
| Foreign policy advisors to the pres. | 36 |
| Defense org. created under Truman | 33 |
| Defense advisory group to the POTUS | 35 |
| Defense advisory gp. formed in 1947 | 35 |
| Advisory grp. that includes the drug czar | 41 |
| Fraction of a fraction of a min. | 32 |
| It's gone in less than a flash: Abbr. | 41 |
| Tiny fraction of a minute: Abbr. | 32 |
| Time unit in a physical chem. lab | 33 |
| Time required for light to travel about a ft. | 45 |
| Infinitesimal time period: Abbr. | 32 |
| Extremely short time unit: abbr. | 32 |
| Extremely short time unit (abbr.) | 33 |
| Reason for a bounced check: Abbr. | 33 |
| Bank abbr. meaning "overdrawn" | 40 |
| Abbr. that may denote worthlessness | 35 |
| State bordering the Pacific: Abbr. | 34 |
| Australian state with the biggest pop. | 38 |
| Australian state whose capital is Sydney: Abbr. | 47 |
| Boy band that featured Justin Timberlake | 40 |
| Justin Timberlake's former band | 35 |
| "Bye Bye Bye" boy band | 32 |
| Justin Timberlake's former group | 36 |
| Band that launched Justin Timberlake | 36 |
| "This I Promise You" band | 35 |
| "No Strings Attached" pop group | 41 |
| "It's Gonna Be Me" group | 38 |
| Group that performed at Super Bowl XXXV | 39 |
| Boy band formed in Orlando, Fla. | 32 |
| Band with "No Strings Attached" | 41 |
| "This I Promise You" group, 2000 | 42 |
| "Tearin' Up My Heart" band | 40 |
| "It's Gonna Be Me" boy band | 41 |
| "Bye Bye Bye" pop group | 33 |
| "Bye Bye Bye" band, 2000 | 34 |
| '90s-'00s heartthrob band | 33 |
| ''No Strings Attached'' pop group | 49 |
| ''No Strings Attached'' band | 44 |
| ''Bye Bye Bye'' pop group | 41 |
| Spears' 2000 partner in McDonald's ads | 46 |
| Pop group whose name is an acronym | 34 |
| Justin Timberlake's boy band | 32 |
| Halftime performers at the 2001 Superbowl | 41 |
| Group with which Justin gained fame | 35 |
| Group with the top-selling album of 2000 | 40 |
| Group with the 2002 hit "Girlfriend" | 46 |
| Group in which Justin got his start | 35 |
| Chris Kirkpatrick's former band | 35 |
| Boy band with the 2002 hit "Girlfriend" | 49 |
| Boy band with a self-titled 1998 album | 38 |
| Boy band that sang "Girlfriend" | 41 |
| Boy band reported to be discussing a reunion | 44 |
| Boy band active from 1995 to 2002 | 33 |
| Band tacitly mocked by "Dick in a Box" | 48 |
| "This I Promise You" band, 2000 | 41 |
| "No Strings Attached" group | 37 |
| "No Strings Attached" band | 36 |
| "It's Gonna Be Me" band of 2000 | 45 |
| "I Want You Back" band | 32 |
| "Bye, Bye, Bye" boy band | 34 |
| 'It's Gonna Be Me' band | 35 |
| ''Bye, Bye, Bye'' group | 39 |
| ''Bye Bye Bye'' band | 36 |