NH-90 TTH development completed Posted on November 9, 2011 by alert5 The NH90 TTH (Tactical Transport Helicopter) variant’s development has been completed. Related posts (Automatically Generated): U.S. Navy completed 1st free-flight testing of JSOW C-1 Afghan Mi-17 crew flies with Night Vision Goggles S-70i completes test program Airbus Military demonstrates final A330 MRTT refuelling system S-70i makes maiden flight Record breaking Lynx restored to original configuration