State Route 346 (New York–Vermont) State Route 346 (New York–Vermont) New York State Route 346 (NY 346) and Vermont Route 346 (VT 346) are short, adjoining state highways in the northeastern United States. Together, they extend for a combined through the towns of Petersburgh in Rensselaer County, New York, and Pownal in Bennington County, Vermont. The bi-state highway begins at an intersection with NY 22 in the hamlet of North Petersburgh and heads generally southeastward across the New York–Vermont state line to a junction with U.S. Route 7 (US 7) in the village of Pownal. Both NY 346 and VT 346 parallel the Hoosick River.
VT-22 mission of ATU-200 was training newly designated naval aviators in jet familiarization, formation tactics, instruments, and navigation. ATU-200 was again re-designated as Advanced Training Unit 212 (ATU-212), expanding its training to include all-weather training as well. In 1958, ATU-212 began transitioning from the TV-1 trainer aircraft to the newly procured F9F-88/8T Cougar. With the new aircraft, the training of ATU-212 expanded to include ordnance delivery and carrier qualification. In 1960, ATU-212 was re-designated to its current name, Training Squadron 22 (VT-22). In 1970, VT-22 began transitioning to the Navy's new jet trainer, the TA-4J Skyhawk. VT-22 functioned as the advanced