Ability to use canopy blow testers, specialized test gauges, push/pull spring scales, voltmeters, ohm meters, external power supplies, feeler gauges, inside and outside micrometers, vernier calipers, simulated initiators, vacuum pump, altimeters, hundredth second timer clock, and torque wrenches. It must be signed by, or by direction of, the adjutant, personnel officer, or commander of your unit or higher headquarters and must indicate when your terminal leave will begin, your rank, dates of active duty service, the type of discharge and character of service (i.e. honorable).