Tuesday, September 26, 2017

Monday, September 25, 2017

SeaGull USV && ASW




Elbit Systems has developed an unmanned anti-submarine warfare (ASW) and mine countermeasure (MCM) vessels that enable navies to detect and defeat enemy submarines and neutralize sea mines in a safer, more efficient and affordable way. 

At the DSEI exhibition this week the company has demonstrated how the unmanned Seagull boats can autonomously perform anti-submarine operations over a distance of 1,890 nautical miles (3,500 km), with the mission controlled over a satellite link from the company's exhibit at DSEI in London.

 completed a trial test torpedo launch from its Seagull

Operating its dipping sonar and Elbit Systems proprietary software, Seagull performed real-time detection and classification of objects, demonstrating the capability to deter and dissuade hostile subsurface activity. The Seagull team included two operators, a USV operator and sonar operator.

Boeing E-4 Advanced Airborne Command Post



 The Boeing E-4 Advanced Airborne Command Post, with the project name "Nightwatch", is a strategic command and control military aircraft modified from Boeing 747-200 and operated by the United States Air Force. 


The E-4B serves as the "National Airborne Operations Center" or "NAOC" and is a key component of the National Military Command System for the President, the Secretary of Defense, and the Joint Chiefs of Staff.


In case of national emergency or destruction of ground command and control centers, the aircraft provides a highly survivable command, control, and communications center to direct U.S. forces, execute emergency war orders, and coordinate actions by civil authorities.

Monday, September 18, 2017

IAI has developed a Maritime version of its Harop Loitering Munitions (LM)





Israel Aerospace Industries (IAI) has developed a Maritime version of its Harop Loitering Munitions (LM) family. The company is displaying the weapon at the DSEI 2017 defense expo in London this week. The new marine capabilities of the HAROP extends the operational capability of surface ships, from offshore patrol vessels to naval frigates. The technological adjustments of the marine Harop include a launcher with new marine configuration and adjustments of the communication channel of the loitering munition.

In the past year, IAI unveiled several new types of LMs, including the New Generation Harpy autonomous anti-radiation weapon designed for air defense suppression missions (SEAD/DEAD) and Green Dragon, a smaller, tactical and affordable LM offering enhanced situational awareness and superior firepower for tactical land forces. The company also introduced a smaller killer drone – Rotem, a tactical LM based on a light multi-rotor platform that delivers outstanding capabilities against low signature enemy systems in urban and complex environments.

HAROP is a long endurance LM which can be launched from a variety of platforms. It combines the capabilities of a tactical UAV and guided missile as it is equipped to search, detect and attack high-value relocatable targets that are exposed for a very short time, thus becoming ‘time critical targets’. The weapon’s EO seeker comprises a high-performance FLIR/ color CCD with 360 degrees hemispherical coverage. In maritime operations, HAROP can be employed against targets on land as well as targets at sea.

Royal Navy Set to Test the DragonFire Laser Weapon


The Dragonfire is a scalable designed for deployment on ships, land vehicles and combat aircraft. It can be used for a wide range of effects, from non-lethal deterrence and dazzling to destruction of threats.
A new laser weapon demonstrator being built for the UK Ministry of Defence has been unveiled today by the UK Dragonfire consortium at DSEI 2017 in London. Known as the LaserDirected Energy Weapon (LDEW) Capability Demonstrator Programme (CDP), the effort will see UK Dragonfire trial this new sovereign capability in the maritime and land domains in 2019.


Lockheed Martin 'Outrider' - Canister Launched UAV




A miniature, expendable drone launched from submarines while underwater at periscope depth was unveiled today by Lockheed Martin UK at the DSEI exhibition. The OUTRIDER is a lightweight, canister launched UAS designed to be used in environments where conventional, larger unmanned air systems are not practical.

At only four inches wide and weighing only 1.7 kilograms, OUTRIDER is small enough to be launched from a NATO standard submarine signal ejector. The drone can also be launched from vehicles or dropped from aircraft and helicopters.

Friday, September 15, 2017

python create array


                                create a array (4*4) filled with 9 

                               
                                create a second (4*4) filled with 8.0                         


                                 
                                  create another array (4*4) filled with 6 

                                 

Wednesday, September 13, 2017