The Tupolev ANT-21 was a Soviet twin-engined four-seat heavy fighter, which also had the designation MI-3 (Mnogomestnyi Istrebitel – Multi-seat fighter). It was not accepted for production, only two prototypes being built.

Ants (family Formicidae in the order Hymenoptera) are the most species-rich of all social insects, with more than 12,000 described species and many others awaiting description. [1] . Formicidae is divided into 21 subfamilies, of which 17 contain extant taxa, while four are exclusively fossil. [2] .

Ants of Greatest Importance. A review of the literature reveals 21 economically important species of ants that are in North America. (See table below). The 21 species of ants discussed on the previous pages were broken down into groups based on where they can be found as pests.

Compared with the P-6, the multi-seat ANT-21 had, while maintaining the overall design of the twin-engine monoplane and with the same M-17 type engines, significantly smaller geometrical...

Featuring all-metal stressed-skin semi-monocoque construction with partial flush-riveting and a retractable main undercarriage, the ANT-21, which was assigned the service designation MI-3, was powered by two M-17B (BMW VI) 12-cylinder water-cooled engines of 680hp.

Listen to music by 21 Ant on Apple Music. Find top songs and albums by 21 Ant including Nurse, Risk Taking and more.

Ants (family Formicidae in the order Hymenoptera) are the most species-rich of all social insects, with more than 12,000 described species and many others awaiting description. [1] Formicidae is divided into 21 subfamilies, of which 17 are extant and four subfamilies are …

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3 days ago · The ant was identified as a worker, relatively small compared to known relatives, and was likely dark brown in color before preservation, according to the study. ... (0.21 inches), making it the ...

The Tupolev ANT-21 was a Soviet twin-engined four-seat heavy fighter, which also had the designation MI-3 (Mnogomestnyi Istebitel – Multi seat fighter). It was not accepted for production, only two prototypes being built.