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DTIC ADA408178: Demonstrating a Moving-Map System With Electronic Charts for Improved Lane Navigation: Testing on AAVs in Gulfport, MS

www.archive.org/details/DTIC_ADA408178...
Amphibious landing operations that are being conducted in a mined environment require the use of navigation lanes that have been cleared of mines. The amount of time required to clear mines is determined by the width of the lanes to be cleared where lane width is determined by the ability of the assault craft to successfully navigate within a cleared lane (i.e., its lane navigation capability). Therefore, vehicles with stronger navigation capabilities allow more narrow lanes to be cleared. This project is based on the premise that a moving map (MM) capability will facilitate more precise lane navigation, thereby reducing aggregate lane width requirements for mine clearance.
Published on 05/09/2018
Document details: 15 pages. 9 downloads.

DTIC ADA503934: Making It Happen: Training Mechanized Infantry Companies

www.archive.org/details/DTIC_ADA503934...
The requirement for the Marine Corps to conduct mechanized operations is higher now than at any other time in the history of the Corps. While the infantry and amphibious assault vehicle (AAV) team continues to get the job done, all is not well. Operation Iraqi Freedom (OIF) revealed shortcomings in the current ad-hoc nature of Marine mechanized infantry, especially between infantry companies and AAV platoons. While the Marine Corps has sought to alleviate dissension over the employment of AAVs, no amount of doctrine will completely eliminate the potential for friction that exists between infantry company commanders and AAV platoon commanders. The root of this problem is a lack of familiarity between infantry and AAV units that can only be solved with a new approach to training for mechanized operations. The USMC must provide mechanized operations training for infantry company officers who will operate with AAVs, and standardized collective training standards for mechanized infantry companies.
Published on 07/22/2018
Document details: 13 pages. 7 downloads.

A combat simulation analysis of the amphibious assault vehicle in countermine operations

www.archive.org/details/acombatsimulatio1094513676...
The purpose of this thesis is to evaluate the effectiveness of an Amphibious Assault Vehicle (AAV) as a mine countermeasure in the surf zone and beach zone (sz/bz). In order to show the utility of these approaches, this thesis presents results from three different scenarios. Scenario one provides a baseline and is conducted with the amphibious landing force moving onshore with no minefield breaching operations being conducted. Scenario two encompasses a more traditional method of minefield breaching. Scenario three will use AAVs only to breach the surf zone and beach zone minefields. The focus will be placed on the number of mines neutralized as well as the number of assets killed.
Published on 05/03/2019
Document details: 75 pages. 1 download.

DTIC ADA495152: Off the Shelf, Onto the Beach Commercial GPS in Amphibious Combat Vehicles

www.archive.org/details/DTIC_ADA495152...
Operation of amphibious assault vehicles (AAVs) in combat operations is one of the most arduous land navigation challenges faced by military forces. The U.S. Marine Corps' landing craft currently lacks an integrated navigational system. Consequently, AAV drivers have only a small viewing portal, with a dangerous blind spot, through which to see where they are going and the terrain, personnel, obstacles, and perils surrounding them. Their ability to attend to outside visual cues, such as marker buoys, may be seriously diminished by physical barriers such as sea spray, darkness, fog, and other factors.
Published on 07/11/2018
Document details: 6 pages. 8 downloads.

Synthetic riboswitches for external regulation of genes transferred by replication-deficient and oncolytic adenoviruses.

www.archive.org/details/pubmed-PMC3505972...
This article is from Nucleic Acids Research , volume 40 . Abstract Therapeutic gene transfer by replication-defective viral vectors or, for cancer treatment, by replication-competent oncolytic viruses shows high promise for treatment of major diseases. To ensure safety, timing or dosing in patients, external control of therapeutic gene expression is desirable or even required. In this study, we explored the potential of artificial aptazymes, ligand-dependent self-cleaving ribozymes, as an innovative tool for regulation of therapeutic gene expression. Importantly, aptazymes act on RNA intrinsically, independent of regulatory protein–nucleic acid interactions and stoichiometry, are non-immunogenic and of small size. These are key advantages compared with the widely used inducible promoters, which were also reported to lose regulation at high copy numbers, e.g. after replication of oncolytic viruses. We characterized aptazymes in therapeutic gene transfer utilizing adenovectors (AdVs), adeno-associated vectors (AAVs) and oncolytic adenoviruses (OAds), which are all in advanced clinical testing. Our results show similar aptazyme-mediated regulation of gene expression by plasmids, AdVs, AAVs and OAds. Insertion into the 5′-, 3′- or both untranslated regions of several transgenes resulted in ligand-responsive gene expression. Notably, aptazyme regulation was retained during OAd replication and spread. In conclusion, our study demonstrates the fidelity of aptazymes in viral vectors and oncolytic viruses and highlights the potency of riboswitches for medical applications.
Published on 10/27/2014
Document details: 6 pages. 31 downloads.

DTIC ADA101114: Precision Imagery and Audiovisual Media Maintenance Career Ladder, AFSC 404X0.

www.archive.org/details/DTIC_ADA101114...
This report presents the results of a detailed Air Force occupational survey of the precision imagery and Audiovisual Media Maintenance (AFS 404X0) career ladder. This occupational Survey Report (OSR) was requested by the AFSC 404X0 Training Staff Officer (TSO), Air Training Command/Technical Training (HQ ATC/TTQ). Information in this report will be used to evaluate training and to consider a possible shredout for the seemingly divergent Defense audiovisual Agency (DAVA) and Aerospace Audiovisual Service (AAVS) group at Norton AFB CA. Authority for conducting occupational surveys is contained in AFR 35-2. Computer outputs from which this report was produced are available for use by operating and training officials.
Published on 12/16/2017
Document details: 124 pages. 9 downloads.

DTIC ADA370835: A Combat Simulation Analysis of the Amphibious Assault Vehicle in Countermine Operations

www.archive.org/details/DTIC_ADA370835...
The purpose of this thesis is to evaluate the effectiveness of an Amphibious Assault Vehicle (AAV) as a mine countermeasure in the surf zone and beach zone (sz/bz). In order to show the utility of these approaches, this thesis presents results from three different scenarios. Scenario one provides a baseline and is conducted with the amphibious landing force moving onshore with no minefield breaching operations being conducted. Scenario two encompasses a more traditional method of minefield breaching. Scenario three will use AAVs only to breach the surf zone and beach zone minefields. The focus will be placed on the number of mines neutralized as well as the number of assets killed.
Published on 04/25/2018
Document details: 74 pages. 5 downloads.

DTIC ADA560354: The Marines' Expeditionary Fighting Vehicle (EFV): Background and Issues for Congress

www.archive.org/details/DTIC_ADA560354...
The Expeditionary Fighting Vehicle (EFV) is an armored amphibious vehicle program that originated two decades ago to replace the 1970s-era Amphibious Assault Vehicle (AAV). Like current AAVs, the EFV is designed to roll off a Navy amphibious assault ship, move under its own power to the beach, and cross the beach and operate inland. The EFV has experienced a variety of developmental difficulties, resulting in significant program delays and cost growth. The EFV is currently in its second systems design and development (SDD) phase attempting to improve the EFV's overall poor reliability and performance that it demonstrated during its 2006 operational assessment. On January 6, 2011, Secretary of Defense Robert Gates announced, based on the recommendation of the Secretary of the Navy and Commandant of the Marine Corps, that he would recommend the cancellation of the EFV. Secretary Gates also reaffirmed the Marines' amphibious assault mission and pledged to fund future efforts to acquire a more affordable and sustainable replacement and also to upgrade existing amphibious assault vehicles. The improvised explosive device (IED) threat that plagued operations in Iraq and Afghanistan was not envisioned in 1988 when the EFV program was initiated. The EFV's low ground clearance and flat bottom make it particularly vulnerable to IEDs; this has raised congressional concern that the EFV, as currently designed, would provide inadequate protection to transported Marines. Another change to the battlefield is the proliferation of longer-ranged, shore-based, antiship cruise missiles (ASCMs), which put the Navy's amphibious ships disembarking EFVs at their 25-mile operating limit vulnerable to attack. Potential issues for congressional consideration include upgrading current AAVs, possible commercially available vehicles, and a future AAV replacement program.
Published on 09/02/2018
Document details: 15 pages. 3 downloads.

Real-Time Rate-Distortion Optimized Streaming of Wireless Video

www.archive.org/details/arxiv-1406.1915...
Mobile cyberphysical systems have received considerable attention over the last decade, as communication, computing and control come together on a common platform. Understanding the complex interactions that govern the behavior of large complex cyberphysical systems is not an easy task. The goal of this paper is to address this challenge in the particular context of multimedia delivery over an autonomous aerial vehicle (AAV) network. Bandwidth requirements and stringent delay constraints of real-time video streaming, paired with limitations on computational complexity and power consumptions imposed by the underlying implementation platform, make cross-layer and cross-domain co-design approaches a necessity. In this paper, we propose a novel, low-complexity rate-distortion optimized (RDO) algorithms specifically targeted at video streaming over mobile embedded networks. We test the performance of our RDO algorithms using a network of AAVs both in simulation and implementation.
Published on 06/29/2018
Document details: 15 pages. 1 download.

DTIC ADA535986: The Marines' Expeditionary Fighting Vehicle (EFV): Background and Issues for Congress

www.archive.org/details/DTIC_ADA535986...
The Expeditionary Fighting Vehicle (EFV) is an armored amphibious vehicle program that originated two decades ago to replace the 1970s-era Amphibious Assault Vehicle (AAV). Like current AAVs, the EFV is designed to roll off a Navy amphibious assault ship, move under its own power to the beach, and cross the beach and operate inland. The EFV has experienced a variety of developmental difficulties, resulting in significant program delays and cost growth. The EFV is currently in its second systems design and development (SDD) phase attempting to improve the EVF's overall poor reliability and performance that it demonstrated during its 2006 operational assessment. If the EFV passes the current SDD in early 2011, it is expected to begin initial production if DOD has not cancelled the program and if it is fully funded.
Published on 08/05/2018
Document details: 15 pages. 9 downloads.
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