Amateur radio high altitude balloons K6RPT-12 and N0D have been recovered in Morocco and Mississippi.
K6RPT-12 was launched from California on December 3 at 0126 UT, successfully crossed North America and the Atlantic, and landed in Morocco on December 5 at 0923 UT.
On Christmas Day Ron K6RPT announced that his California Near Space Project payload had been recovered by a team of French and Moroccan amateur radio operators in Morocco on December 23.
More details and pictures at
http://www.californianearspaceproject.com/news_cnsp-18.html
N0D (BLT-32) was launched late on December 15 but the balloon burst over Mississippi the following day. It was found on December 20 by a hunter in Mississippi who rang the team to ask what the heck was in the box he found with all the wires hanging out!
Californian 144.390 FM APRS balloon
http://www.southgatearc.org/news/december2012/
californian_144_390_fm_aprs_balloon_heading_for_british_isles.htm
Transatlantic high altitude balloon bursts
http://www.southgatearc.org/news/december2012/
transatlantic_high_altitude_balloon_bursts.htm
.