WSF logo

Z1 Truss Structure

Integrated Truss Structure (ITS) Z1 is an early exterior framework to allow first U.S. solar arrays on flight 4A to be temporarily installed on Unity for early power. PMA 3 provides shuttle docking port for solar array installation on 4A, Lab installation on 5A.

z1truss_a.jpg (7853 bytes)
Credit: NASA
A video still shows the International Space Station (ISS) after the installation of the Z1 Truss structure during STS-92. From top, elements pictured are the service module or Zvezda, the functional cargo block (FGB) or Zarya, Node 1 or Unity and the Z1.
z1truss_b.jpg (14277 bytes)
Credit: NASA
This "edge-on" image of the station features its newest additions. Backdropped against the blackness of space, the Z1 Truss structure and its antenna, as well as the new pressurized mating adapter (PMA-3), are visible in the foreground.
3a.jpg (4591 bytes)
Credit: NASA
Integrated Truss Structure (ITS) Z1 and Pressurized Mating Adapter 3 (PMA 3).


Page last modified: 15 August 2015 19:56:17.