ixed ambush patrols, to man its fire support bases with ARVN as well as U.S. troops, and to establish combined tactical operation centers throughout its area of responsibility" (Casey 24). By 1970 vietnamizing the war was a priority of the 1st Infantry Division (Casey 25). The 199th Brigade "organized a ten-man Mobile Training Team to instruct ARVN officers and soldiers in skills ranging from simple weapon maintenance to air mobile tactics, convoy counter ambush techniques, land navigation, and demolition" (Casey 118). When ARVN soldiers were used to control areas American troops had just won, many couldn't and American troops would have to fight for the same ground again and again (Detzer 104-05). "Battalions instituted training programs for Regional and Popular Force units under such acronyms as HUT (Hamlet Upgrading Team), LIFT (Local Improvement of Forces Team), and SAM (Stamina Accuracy and Marksmanship)" (Casey 118). In 1971, American combat units left after fighting their last battles and Nixon ordered the U.S. to assume only a defensive role (Detzer 136,151).On January 27,1973, Le Duc Tho, representative of North Vietnam, Nguyen Van Thieu, representative of South Vietnam, and Nixon signed the Paris Accords (Detzer 136-37). In the Paris Accords Nixon agreed t increase aid to the ARVN and to respond with massive military retaliation if North Vietnam launches a new offensive (Detzer 136-37). In 1975, more than two years after the last soldiers had departed, North Vietnam attacked the South but Gerald Ford and Congress did not want to get involved in Vietnam (Detzer 138). The ARVN collapsed, and Americans and thousands of Vietnamese in Saigon were evacuated by the U.S. (Detzer 136-40). On April 30, 1975, South Vietnam fell only a few hours after the last helicopter departed, and the Vietnam War was finally over.The U.S. fought most of the Vietnam War. South Vietnam was in chaos and didn't have a very powerful army. The U....
