What seemed to be a lock in late-February fell apart over the span of about 14 days.

The Air Force falcons are not heading back to the NCAA Tournament after dropping four in a row to close the season.

This after a 17-1 start where the Falcons were ranked as highs as 13 in the AP poll.

Here's a look at the brackets:

Midwest Bracket for the NCAA men's basketball tournament

1. Florida
2. Wisconsin
3. Oregon
4. Maryland
5. Butler
6. Notre Dame
7. UNLV
8. Arizona
9. Purdue
10. Georgia Tech
11. Winthrop
12. Old Dominion
13. Davidson
14. Miami-Ohio
15. Texas A&M-Corpus Christi
16. Jackson State

West Bracket for the NCAA men's basketball tournament

1. Kansas
2. UCLA
3. Pittsburgh
4. Southern Illinois
5. Virginia Tech
6. Duke
7. Indiana
8. Kentucky
9. Villanova
10. Gonzaga
11. Virginia Commonwealth
12. Illinois
13. Holy Cross
14. Wright State
15. Weber State
16. Florida A&M/Niagara

East Bracket for the NCAA men's basketball tournament

1. North Carolina
2. Georgetown
3. Washington State
4. Texas
5. Southern Cal
6. Vanderbilt
7. Boston College
8. Marquette
9. Michigan State
10. Texas Tech
11. George Washington
12. Arkansas
13. New Mexico State
14. Oral Roberts
15. Belmont
16. Eastern Kentucky

South Bracket for the NCAA men's basketball tournament

1. Ohio State
2. Memphis
3. Texas A&M
4. Virginia
5. Tennessee
6. Louisville
7. Nevada
8. Brigham Young
9. Xavier
10. Creighton
11. Stanford
12. Long Beach State
13. Albany
14. Pennsylvania
15. North Texas
16. Central Connecticut State