North American X-15 - Specifications. 1  Other configurations include the Reaction Motors XLR11 equipped X-15, and the long version. 2  General characteristics. 3  Crew: one. 4  Length: 50 ft 9 in (15.45 m) 5  Wingspan: 22 ft 4 in (6.8 m) 6  Height: 13 ft 6 in (4.12 m) 7  Wing area: 200 ft2 (18.6 m2) 8  Empty weight: 14,600 lb (6,620 kg)
Look up QA/QC in Wiktionary, the free dictionary. QA/QC is the combination of quality assurance, the process or set of processes used to measure and assure the quality of a product, and quality control, the process of ensuring products and services meet consumer expectations.
The difference is that QA is process oriented and QC is product oriented. Testing, therefore is product oriented and thus is in the QC domain. Testing for quality isn't assuring quality, it's controlling it. Quality Assurance makes sure you are doing the right things, the right way.