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A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...
Signal operating instructions (SOI) or Communications-Electronics Operation Instructions (CEOI) are U.S. military terms for a type of combat order issued for the technical control and coordination of communications within a command. [1] They include current and up-to-date information covering radio call signs and frequencies, a telephone ...
Ribbon devices. Template documentation. This template will superimpose United States military award devices onto military award ribbons. It currently does oak leaf clusters, award stars, service stars (up to a numeric value of 24 total awards) as well as the Arrowhead device, Valor device, Combat V, Fleet Marine Force Combat Operations Insignia ...
16-line message format, or Basic Message Format, is the standard military radiogram format (in NATO allied nations) for the manner in which a paper message form is transcribed through voice, Morse code, or TTY transmission formats. The overall structure of the message has three parts: HEADING (which can use as many as 10 of the format's 16 ...
The table below lists noteworthy 3D printed weapons (mainly 3D printed firearms) and parts of weapons as well as items with a defense-related background. It includes 3D printed weapons and parts created using plastic producing printers as well as metal producing printers. The Liberator .380 was the first 3D printed plastic gun made widely ...
Rakon Limited is a technology company founded in 1967 that designs and manufactures frequency control products, primarily quartz crystals and temperature-compensated crystal oscillators ( TCXO ), [1] oven controlled crystal oscillators ( OCXO) and voltage controlled crystal oscillators ( VCXO ). [2] Its head office is in Auckland, New Zealand ...
Micrograph showing loss of staining for MLH1 in colorectal adenocarcinoma in keeping with DNA mismatch repair (left of image) and benign colorectal mucosa (right of image). DNA mismatch repair ( MMR) is a system for recognizing and repairing erroneous insertion, deletion, and mis-incorporation of bases that can arise during DNA replication and ...
By Hannah Lang. (Reuters) -Financial regulators in 25 U.S. states announced on Wednesday a settlement with cryptocurrency investment platform Abra and its CEO for operating without required state ...