Tag Archives: T&E

Testing High Altitude HALO/HAHO Military Parachute Rigs

Prior to high altitude jumps, all pilots and jumpers must go through training and assessment by an aero-medical high altitude physiology unit, plus make successful chamber runs to altitude Mark Lonsdale pre-jump from 30,000 feet. Jumpers will pre-breathe oxygen prior … Continue reading

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ROBAR Firearms NP3 Finish

By Mark V. Lonsdale – STTU Over the years I have tried several finishes on my handguns and rifles, to include conventional gun blue, Pakerizing, black phosphate, hard chrome, electroless ┬ánickel plating, Roguard and NP3. Of all of these, NP3 … Continue reading

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American Defense Scope Mount Tests

By Mark V. Lonsdale, Training Director STTU The goal for today’s testing was to evaluate whether AD scope mounts returned to zero after being removed and replaced. For the testing we used a Leupold VX-1 2-7X, 1″ tube, in the … Continue reading

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