The Department of Defense, through the Missile Defense Agency (MDA), is seeking innovative solutions for the development of a deployable aerospike for the Terminal High Altitude Area Defense (THAAD) interceptor. The objective is to retrofit the existing interceptor with an aerospike that fits within the current missile canister's envelope, demonstrating feasibility in Phase I and creating a prototype in Phase II, which may include wind tunnel testing. This technology is crucial for enhancing the performance of the THAAD system, which plays a vital role in national defense. The solicitation is set to open on April 23, 2025, with applications due by May 21, 2025, and further details can be found at the provided source link.

## Description

While the front of the THAAD interceptor is not a blunt nose, the THAAD Project Office (TPO) would like to retro-fit the existing interceptor with a deployable aerospike. The aerospike would have to fit within the existing space within the envelope of the current missile canister. The prescribed solution would have to be able to be applied to the interceptor with the round in the canister as well.

## Objective

Develop a deployable aerospike for the current Terminal High Altitude Area Defense (THAAD) interceptor.

## Phase I

Demonstrate feasibility/benefits of applying an aerospike to the THAAD interceptor.

## Phase II

Create a prototype aerospike based upon the design analysis from Phase I. Flesh out the process of affixing the prototype aerospike onto the interceptor. If possible, perform wind tunnel level testing with the aerospike on a THAAD representative nose cone.

## Phase III: Dual Use Applications

Manufacture and perform a full flight demonstration of the technology (technology readiness level of 6+).

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