The term OEF-A typically refers to the phase of the War in Afghanistan from 2001 to 2014. Other operations, such as the Georgia Train and Equip Program, are only loosely or nominally connected, such as through government funding vehicles. All the operations, however, have a focus on counterterrorism activities.
PAR 38 is a type of halogen or LED light bulb. There are two definitions for the acronym PAR, but both describe the same thing. One is parabolic aluminized reflector.The other is pressed-glass aluminized reflector. In PAR 38 lighting, both the lens and reflector are internal parts of the lamp.lso, PAR 38 bulbs can be purchased in WFL, which is a wide-flood beam spread. These are available in SP, or spot, and FL, or flood, as well. The two types of floodlights are the ones best for lighting a large area with one bulb. PAR 38 bulbs come in wattages from 53 watts to 250 watts.
MR16 indicates a mini reflecter having a diameter of 16/8 or 2 inches. ED37 indicates a large HID bulb having a diameter of 37/8 or 4-5/8 inches. MEASURING FLUORESCENT LAMPS. To determine the length of a fluorescent lamp, you do not measure the bulb.The normal length of the bulb is the measurement from the back of the socket on the fixture. To determine the type of lamp you need, measure the endcap and use the illustration below as a guide.R16 indicates a mini reflecter having a diameter of 16/8 or 2 inches. ED37 indicates a large HID bulb having a diameter of 37/8 or 4-5/8 inches. MEASURING FLUORESCENT LAMPS. To determine the length of a fluorescent lamp, you do not measure the bulb.