Source: United States Army in Vietnam: Images of a Lengthy War, Joel D. Meyerson; Washington, D.C.: Center of Military History, 1986 123-1.gif Caption: Communicating in the rugged highlands challenged American ingenuity and technology. The Hon Cong Mountain signal site at An Khe was the control center of 1st Cavalry communications. (U.S. Army) Description: Bunkers and Quonset hut with antennas. Color. 123-2.gif Caption: Airdropped along the Ho Chi Minh Trail, acoustic and seismic sensors listened in on enemy movement in the border areas. (U.S. Army) Description: Aircrewman standing in open door with sensor, ready to drop on command. Color 136-2.gif Caption: A South Vietnamese convoy passes a small territorial outpost (right) on the road between Saigon and Tay Ninh in 1967. Fewer ambushes along the roads late in the year suggested that rural security was slowly improving. (U.S. Army) Description: Convoy of heavy transports moving through mostly cleared country. (Aerial view.) Color. 144-1.gif Caption: Troops of the 5th Marines walk a rubble-strewn street in Hue after the 25-day-long battle for the imperial capital. The tower of the nineteenth century citadel of emperor Gia Long rises in the background. (U.S. Marine Corps) Description: Troops moving down street. Black and white. 154-1.gif Caption: When North Vietnamese units massed near Dak To in November, Westmoreland rushed allied forces to the western highlands. Air Force C-130's, including these on the Tuy Hoa flight line, moved the bulk of the troops into battle. (U.S. Air Force) Description: C-130's backlit by lightning on a wet runway. Color. 154-2.gif Caption: A paratrooper from the 173rd Airborne Brigade calls for a medic on Hill 882 near Dak To. (U.S. Army) Description: Troops in the bush. Color. 154-3.gif Caption: The 22-day-long battle for Dak To climaxed with a costly assault by the 173rd Airborne against well-entrenched North Vietnamese on Hill 875. (U.S. Army) Description: Troops moving through a blasted stand of trees. Color. 162-1.gif Caption: A mobile riverine task force of U.S. Navy boats and U.S. 9th Division soldiers moves down a canal in Dinh Thuong Province two months before the eruption of Tet. Riverine units first arrived in the delta in 1967 for use against previously inaccessible enemy bases. (U.S. Navy) Description: 3 taxis and two montiors moving through the brown water. Color. 163-2.gif Caption: Navy monitors and assault boats pick up 9th Division troops to ferry them to a new location during the Tet fighting. (U.S. Army) Description: Riverine craft nuzzling up to the bank. Color. 163-3.gif Caption: Ambushed during the counteroffensive in Kien Hoa Province, a riverine force company commander calls in artillery and air strikes on Viet Cong automatic weapons positions. (U.S. Army) Description: Close shot of troops behind dubious "cover". The man on the phone is 2nd Lt. Edward Ridgley, CO, 3rd Battalion, 9th Infantry Division. (Lt, could you order us a pizza while you're on the phone?) Color. 164-2.gif Caption: Fired from barges in direct support of riverine forces, 105-mm. howitzers (M102) helped cripple the enemy offensive by the second week of February. (U.S. Army) Description: Black and white. 177-1.gif Caption: Armed with missiles and bombs, an Air Force F-4 Phantom takes off from a base in Thailand for a mission over the North. On 1 November the president extended his partial bombing halt to all of North Vietnam. (U.S. Air Force) Description: The cameraman had to duck after he took this shot from the end of the runway! Black and white. 177-2.gif Caption: A heavily laden South Vietnamese marine pauses during clearing operations in Cholon. President Johnson's decision to establish a final U.S. troop ceiling meant that the fighting would be increasingly turned over to the South Vietnamese. (U.S. Army) Description: Description: This guy must have had trouble standing up! Color. 189-1.gif Caption: Fire Support Base COLORADO, manned by artillery and infantry units of the 25th Division, helped block enemy movement toward Tay Ninh City and the populations southward. Description: Aerial view of a firebase, showing layout clearly. Black and white. 189-2.gif Caption: West of Saigon, an M48 tank of the 11th Armored Cavalry Regiment pauses while an Air Force Phantom strikes a tree line. Armored forces operating in small groups to take advantage of their mobility were successful in drying up enemy supply operations in the capital corridor. (U.S. Army) Description: Black and white. 189-3.gif Caption: A "tunnel rat" serving with the Americal Division emerges from an enemy underground complex south of Chu Lai. By mid-1969, pressure against the enemy's logistics system in the South forced large enemy units to retire to their sanctuaries across the border. (U.S. Army) Description: Those guys were *crazy*. Color. 201-1.gif Caption: While this 9th Division soldier fought in Cambodia, students back home protested the expanded war. (U. S. Army) Description: Just read the headlines. Color.