Jay is certifited with the "MIL-STD-1595A, Military Standard" covering:
The MIL_STD-1595a standard is a key qualification for welders engaged in the welding of aircraft, missiles, other aerospace equipment including parts/accessories by fusion welding processes. This standard is applicable to aircraft, missile, and aerospace ground support equipment or other welding, when included in the contracting documents or when invoked in the absence of a specified welder qualification document.
Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG) welding, is an arc welding process that uses a non-consumable tungsten electrode to produce the weld. A constant-current welding power supply produces electrical energy, which is conducted across the arc through a column of highly ionized gas and metal vapors known as a plasma.
GTAW is most commonly used to weld thin sections of stainless steel and non-ferrous metals such as aluminum, magnesium, and copper alloys. GTAW is comparatively more complex and difficult to master, and furthermore, it is significantly slower than most other welding techniques.