An MQ-1B Predator that crashed Jan. 17 in Southwest Asia suffered engine failure stemming from a crack in the crankshaft, according to a summary of an Air Combat Command Accident Investigation Board report. The aircraft was destroyed upon impact. The crankshaft crack caused a connecting rod to fail, wedging itself in the opposing cylinder. A recent report indicates, though, that an increasing number of unmanned aerial vehicle crashes can be attributed to operator error.
Lockheed Martin projects more than a billion dollars of losses on a classified program, but company officials said April 23 they are confident it will turn profitable by 2028 and become a "franchise" system in the U.S. military.