She then carried out an anti-submarine search for 24 hours without success.

She was used for anti-submarine patrol work during the war.

Its main business is in products and services for anti-submarine warfare.

Thus the squadron and the anti-submarine school both moved north.

He is pulled from anti-submarine school to command the vessel.

By 1918 the Allied anti-submarine measures had continued to become more effective.

The door banged shut behind him, as he made his way down to the anti-submarine control centre.

Most of these aircraft are used in anti-submarine warfare operations.

These were mostly used for training in anti-submarine warfare and removed from service by mid-1944.

She was refurbished in 1948 as an anti-submarine training ship.

These aircraft were used for both training and anti-submarine patrols.

There was also a full suite of anti-submarine warfare equipment.

They also carry helicopters which can be used for anti-submarine warfare.

They were considered to be of limited usage, and best kept for anti-submarine duties.

There had been anti-submarine nets off the end of the quays.

The anti-submarine warfare exercises continued into the evening of 4 July.

During that time, she joined in several anti-submarine warfare exercises.

The Japanese ships were very effective in patrol and anti-submarine activity.

Served as a transport ship, and modified for the anti-submarine role in late 1944.

It is also involved in anti-submarine electronics, also a growth area.

This panel was formed by the Navy to research anti-submarine warfare.

They typically have roles in anti-submarine warfare and coastal defence.

It also includes a variety of aircraft on anti-submarine patrols.

The design was developed as the Ka-25 anti-submarine helicopter.

During the last year of the war, she conducted anti-submarine patrols in the Mediterranean.

It is the first time they've shown that they are more than an antisubmarine navy.

On the next day, she got underway for her first antisubmarine patrol.

So his aircraft carrier became an antisubmarine force in its own right.

At various times, each of these operational tactics had its place in the antisubmarine war.

No doubt they were alerting their antisubmarine forces right now.

For the next 19 days, she provided fire support and carried out antisubmarine patrols.

Now, expensive, new developments in antisubmarine warfare will be needed, the officials say.

But even for essential tasks like antisubmarine warfare, there's not a lot more money available.

He also worked on the development of antisubmarine devices.

But what if there's a breakthrough in antisubmarine technology?

A bronze service star is authorized for participation in the antisubmarine campaign.

During the assault 1 April the ship moved to antisubmarine screening and air defense.

At this point we are allocating the right amount to antisubmarine warfare.

Duty in the antisubmarine screen occupied her time on the day before the invasion.

Wilkes contributed fire support and served in the antisubmarine screen.

There she took position in the antisubmarine screen, remaining through the 22d.

After completing her portion of the mission, she moved out to the transport area to provide antisubmarine defense.

The antisubmarine mission was taken over by the Navy in mid-1943 and the aircraft were withdrawn.

During the spring of 1958, she provided logistic support to antisubmarine groups in the western Atlantic.

Lockheed said no more P-3 antisubmarine aircraft would be built without firm orders.

"We must get into the bay before other antisubmarine forces arrive and join the search.

She was far out in international waters when the antisubmarine aircraft dropped the first depth charge.

Its primary mission was observation aircraft training and antisubmarine patrols.

Two major antisubmarine warfare exercises followed during the summer.

The aircraft is still equipped with antisubmarine search radar dome.