sentences:  The 1-26 is used by many soaring clubs in the United States and is often the first single place glider that a student flies immediately after solo, often coming from a Schweizer 2-33 two-seat trainer.As of November 2017 there were still 438 SGS 1-26s registered in the US and 17 in Canada.The 1-26 was used by the United States Air Force Academy under the designation TG-3A, until it was replaced by the TG-10D Peregrine in October 2002.