(Originally posted Sat. at 7:46 p.m., links added at 9:03 a.m.)
The Midshipmen wrapped a 17-0 run around the intermission, scoring the last 9 points of the first half to take a 38-29 lead, then posting 8 unanswered to start the second half.
Lafayette cut it to 8 on back-to-back treys by Paul Cummins midway through the second half, but the Mids responed by putting the game away with a 21-4 spurt.
The backcourt duo of Kaleo Kina and Corey Johnson with 19 each to lead Navy. Kina also had 9 rebounds and 7 assists. Greg Sprink (15) and Matt Fannin (12) also in doubles for Navy.
Andrei Capusan's 11 led Lafayette (10-13, 4-6). Freshman guard Andrew Brown added 10.