Skip to 1:20 in the video. The Player kills a Spartan who is reloading with an Energy Sword. However, this somewhat contradicts the Opportunist medal, which is earned for killing an opponent who is reloading. Hopefully Bungie will clear this up in the next Weekly Update. Camp Froman 19:59, July 24, 2010 (UTC)
I believe the Reload This! may replace the Opportunist medal. If you skip to 6:20 of this video [1], you see a Spartan on a turret getting Reload This! on an Elite. SquirrellyOtter Discussions Held Here 11:12, July 28, 2010 (UTC)