HALO jumps are used to enter hostile territory undetected when threats to both Airmen and aircraft are expected.
Iranian Video Shows Captured RQ-170
A U.S. official tells CBS News that there is "high confidence" that a captured American aircraft shown on Iranian television today is, in fact, one of this country's most sophisticated spy planes. The Pentagon declined to comment, but the American official says analysis of the video confirms the RQ-170 unmanned drone was captured. Exactly how that happened is still being analyzed.