2024年9月6日 · AR-2 forms can document an individual’s presence in the United States during the early 1940s. The Alien Registration Program registered many resident noncitizens between 1940 and 1941 who had been living in the United States for decades.

The Arkhangelsky Ar-2 was a Soviet dive-bomber used in small numbers during World War II. Its design was a refinement of the earlier Soviet Tupolev SB. The design bureau's name (Cyrillic: Архангельский) is transliterated in many ways in English sources, in a variety of combinations of Arch-, Arkh-, -sky, -ski, -skii, -skij).

In statistics, econometrics, and signal processing, an autoregressive (AR) model is a representation of a type of random process; as such, it can be used to describe certain time-varying processes in nature, economics, behavior, etc.

2025年1月6日 · The Alien Registration Program registered over 5.6 million noncitizens between August 1, 1940, and March 31, 1944, when the AR-2 records series closed. Alien Registration continued after April 1, 1944, but on different forms filed in a new series of individual records, Alien Files (A-Files).

2017年1月7日 · Do you guys think $290 is good for working, clean, original AR-2s? Also, do these produce the sound of the classic ARs? I will be running them through my Sansui 7070 (looking for a Sansui Eight Deluxe). I have a Thorens TD166 MKII.

2020年7月30日 · From August to December 1940 more than five million alien residents of the US registered at Post Offices while agency employees processed the millions of 2-page registration forms. The form used was the AR-2, Alien Registration Form.

Soviet dive-bomber Ar-2 Ar-2 code 3, Šiauliai 1941 The bomber was constructed by Alexander Arkhangelsky in 1939 and was built on the basis of the Typolev SB-2 aircraft.