Complex sentence: HMMWV convoy abandons Black Hawk "Super 6-1" search: the Lost Convoy, with more than half of its force either wounded or dead, abandons its search for the first downed Black Hawk and begins fighting its way back to the base.
Split into simpler sentences: HMMWV convoy abandons Black Hawk "Super 6-1" search. The Lost Convoy, with more than half of its force either wounded or dead, abandons its search for the first downed Black Hawk and begins fighting its way back to the base.