Why in news?

• Indian Navy will carry out its flagship huge-scale coastal defence work out Theatre Stage Operational Readiness Exercising (TROPEX) from January to March 2019 to examination robustness of total coastal security equipment.
• As portion of TROPEX, Indian Navy will conduct substantial-scale coastal defence exercising ‘Exercise Sea Vigil’.
• It will see participation of all operational ships, submarines and aircraft as effectively as units of Indian coast guards (ICG), Indian Military and Indian Air Power (IAF).

Exercise TROPEX:

• Theatre Level Readiness and Operational Exercise (TROPEX) is an inter-service military exercise involving the participation of the Indian Army, Air Force, Navy and the Coast Guard.
• The exercise generally commences at the beginning of each year and lasts a month.
• It is generally carried out in three phases: independent workup phase, joint workup phase and tactical phase.
• It also seeks to strengthen interoperability and joint operations in a complex environment.
• It will see participation of above 45 ships from the two Western and Japanese Naval Instructions of Indian Navy, which includes plane provider INS Vikramaditya, submarines such as nuclear powered Chakra, naval plane MiG-29K, helicopters as well as ships from Indian Coast Guard.
• Since it’s a tri-services workout, troops from Indian Military and fighter plane from Indian Air Pressure including SU-30 MKI, Jaguars and AWACs will also take part.

Exercise Sea Vigil:

• The Indian Navy will conduct a large-scale coastal defence exercise next month to test the robustness of the entire coastal security apparatus.
• It will involve all stake holders across mainland and Island territories, and will see the participation of all operational ships, submarines and aircraft as well as units of Indian coast guards, Indian Army and the Indian Air Force.